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  1. The Horizon Daily Scream newsletter

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950); Horizon (Ship)
    • Date: 1950-08-15
    • Topic: South Pacific Ocean; Newsletters; Korean War, 1950-1953
    • Format: image
  2. The Mid-Pacific Expedition of the University of California and the U.S. Navy Electronics Laboratory

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950); Horizon (Ship)
    • Date: 1950-11-01
    • Topic: Seamounts; San Diego (Calif.); MidPac Expedition; Submarine geology
    • Format: image
  3. Cruise Pattern Joint U. of C., U.S.N.E.L. Mid Pacific Expedition

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950)
    • Date: 1950-07-18
    • Topic: Oceanography--Research-- North Pacific Ocean; San Diego (Calif.); Scientific expeditions--Pacific Ocean
    • Format: image
  4. Revised Mid-Pac Schedule

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950); Revelle, Roger, 1909-1991
    • Date: 1950-0725
    • Topic: Oceanography; San Diego (Calif.)
    • Format: image
  5. The Horizon Nauseator newsletter

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950); Horizon (Ship)
    • Date: 1950-08-16
    • Topic: South Pacific Ocean; Korean War, 1950-1953; Newsletters
    • Format: image
  6. The Horizon Comet newsletter

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950); Barr, Edward Sheldon, 1933-; Maxwell, Arthur Eugene, 1925-; Frautschy, Jeffery Dean
    • Date: 1950-08-18
    • Topic: South Pacific Ocean; Newsletters; Korean War, 1950-1953
    • Format: image
  7. The Blue Horizon newsletter

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950)
    • Date: 1950-08-19
    • Topic: Newsletters; South Pacific Ocean; Korean War, 1950-1953
    • Format: image
  8. The Horizon Star newsletter

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950); O'Callahan, Thomas J.
    • Date: 1950-08-17
    • Topic: Cooks; South Pacific Ocean; Newsletters; Korean War, 1950-1953
    • Format: image
  9. Letter to Mr. John Adkins, Mr. Gordon Lill, ONR

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950)
    • Date: 1952-09-08
    • Format: image
  10. The Horizon Trumpeter newsletter

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950)
    • Date: 1950-08-21
    • Topic: Korean War, 1950-1953; Marine engineers; South Pacific Ocean; Newsletters
    • Format: image
  11. Revised Mid-Pac Schedule

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950); Horizon (Ship)
    • Date: 1950-07-25
    • Topic: San Diego (Calif.); Oceanographic research ships; MidPac Expedition
    • Format: image
  12. U.E.P. set up HORIZON C.W. Code Transmitter

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950)
    • Date: 1950-02-20
    • Topic: Oceanographic instruments
    • Format: image
  13. Horizon laboratory

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950)
    • Date: 1950
    • Topic: Oceanographic research ships--Interiors
    • Format: image
  14. Underwater Electric Potential (U.E.P.) equipment onboard R/V Horizon, Midpac Expedition, February 20, 1950

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950)
    • Date: 1950-02-20
    • Topic: Oceanographic instruments
    • Format: image
  15. One meter plankton net in tow

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950)
    • Date: 1949
    • Topic: Marine plankton; Oceanographic instruments
    • Format: image
  16. James Snodgrass and Arthur E. Maxwell with bottom temperature probe, MidPac Expedition, 1950

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950); Maxwell, Arthur Eugene, 1925-; Snodgrass, James Marion, 1908-1994
    • Date: 1950
    • Topic: Heat flow; Oceanographic instruments
    • Format: image
  17. Underwater Electric Potential (U.E.P.) equipment onboard USS EPCE(R)-857, AN/UQC-1, Midpac Expedition, January 2, 1951

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; USS EPCER 857; Midpac Expedition (1950)
    • Date: 1951-01-02
    • Topic: Warships; Oceanographic research ships--Interiors
    • Format: image
  18. Dr. Revelle's Rocks, manganese nodule MidPac

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950); Horizon (Ship); Revelle, Roger, 1909-1991
    • Date: 1950-09
    • Topic: Dredging; Submarine geology; Manganese Nodules
    • Format: image
  19. Lab on Horizon; U.E.P. set-up

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950); Horizon (Ship)
    • Date: 1950-01-18
    • Topic: Oceanographic instruments; Oceanographic research ships--Interiors
    • Format: image
  20. Globigerina ooze at a depth of 4500 feet on the top of Sylvania Seamount near Bikini Atoll. The ripple marks are about 12 inches apart (Menard unpublished manuscript, Figure 16) At the time, these ripple marks were the deepest ever photographed. Midpac Expedition, 1950

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950); Horizon (Ship); Hamilton, Edwin L. (Edwin Lee), 1914-; Wells, John West, 1907-
    • Date: 1950
    • Topic: Marine mineral resources; Submarine geology; Dredges
    • Format: image
  21. Oceanographic stations in North Pacific since 1941

    • Collection: Roger Revelle Papers
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950)
    • Date: 1950
    • Topic: Oceanography
    • Format: image
  22. Aerial view, Horizon (aft) underway

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950); Horizon (Ship)
    • Date: 1949
    • Topic: Oceanographic research ships
    • Format: image
  23. Scripps Institution of Oceanography, La Jolla, California, aerial view

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950)
    • Date: 1949
    • Topic: Scripps Institution of Oceanography; La Jolla (San Diego, Calif.)--Aerial views
    • Format: image
  24. Horizon Lab

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950); Horizon (Ship)
    • Date: 1950
    • Topic: Oceanographic research ships--Interiors
    • Format: image
  25. Dr. Revelle's Rocks, fossil material Mid-Pacific mountains

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950); Horizon (Ship); Revelle, Roger, 1909-1991
    • Date: 1950-09
    • Topic: Submarine geology; Dredging
    • Format: image
  26. R.W. Raitt. MidPac - Horizon - seismic station

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950); Horizon (Ship); Revelle, Roger, 1909-1991
    • Date: 1950
    • Topic: Oceanography
    • Format: image
  27. SIO Fleet: Baird, Horizon, and Crest

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950); Spencer F. Baird (Ship); Horizon (Ship); Crest (Sh
    • Date: 1949
    • Topic: Oceanographic research ships
    • Format: image
  28. 22. Work at sea on Horizon in the Pacific Ocean. The Pacific Ocean was not always calm

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950); Horizon (Ship)
    • Date: 1950
    • Topic: Storms; Oceanographic research ships
    • Format: image
  29. Men on R/V HORIZON deploying clam bucket

    • Collection: Roger Revelle Papers; Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950)
    • Date: 1950
    • Topic: Oceanographic instruments
    • Format: image
  30. Robert Floyd Dill and Roger Revelle rigging a Kullenberg piston core sampler. Midpac Expedition, 1950

    • Collection: Edward Sheldon Barr Papers
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950); Dill, Robert Floyd, 1927-; Revelle, Roger, 1909-1991
    • Date: 1950
    • Topic: Oceanographic instruments
    • Format: image
  31. Scientists relaxing between stations R/V HORIZON

    • Collection: Roger Revelle Papers; Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950); Horizon (Ship)
    • Date: 1950
    • Topic: Oceanographic research ships
    • Format: image
  32. Back and Atom Club, Bikini Atoll

    • Collection: Roger Revelle Papers; Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950)
    • Date: 1950
    • Topic: Scientific expeditions; Oceanography--Field work (land); Bikini Atoll (Marshall Islands)
    • Format: image
  33. Back and Atom Club, Bikini Atoll

    • Collection: Roger Revelle Papers; Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950)
    • Date: 1950
    • Topic: Scientific expeditions; Oceanography--Field work (land); Bikini Atoll (Marshall Islands)
    • Format: image
  34. Borrow Pit Test to water table, Bikini, Marshall Islands

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950)
    • Date: 1950-09-24
    • Topic: Bikini Atoll (Marshall Islands)
    • Format: image
  35. Bottom temperature probe, MidPac Expedition, 1950

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950)
    • Date: 1950
    • Topic: Heat flow; Oceanographic instruments
    • Format: image
  36. Bottom temperature probe. MidPac Expedition, 1950

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950)
    • Date: 1950
    • Topic: Heat flow; Oceanographic instruments
    • Format: image
  37. Broken winch onboard R/V Horizon

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950)
    • Date: 1950-09
    • Topic: Winches; Oceanographic instruments
    • Format: image
  38. Cable winch on Horizon

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950)
    • Date: 1949
    • Topic: Oceanographic instruments; Winches
    • Format: image
  39. Chart reader, January 1949

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950)
    • Date: 1949-01
    • Topic: Oceanographic instruments
    • Format: image
  40. Deck log book of M/V Horizon

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950)
    • Date: 1950-07-27
    • Topic: Log books; Pacific Ocean
    • Format: image
  41. Dr. Revelle's Rocks [Shark's tooth embedded in rock]

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950); Horizon (Ship)
    • Date: 1950
    • Topic: Submarine geology; Sharks; Dredging
    • Format: image
  42. Dr. Revelle's Rocks, material dredged up on MidPac

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950); Revelle, Roger, 1909-1991
    • Date: 1950-09
    • Topic: Submarine geology; Dredging
    • Format: image
  43. Edwin Hamilton tossing TNT from deck of R/V Horizon

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950); Hamilton, Edwin L. (Edwin Lee), 1914-
    • Date: 1950-09
    • Topic: Oceanographic instruments; Seismic profiling; Explosives
    • Format: image
  44. Electronic gear on Horizon; U.E.P. set up on HORIZON

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950)
    • Date: 1950-01-18
    • Topic: Oceanographic instruments; Oceanographic research ships--Interiors
    • Format: image
  45. Electronic gear on Horizon; U.E.P. set-up

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950)
    • Date: 1950-01-18
    • Topic: Oceanographic research ships--Interiors; Oceanographic instruments
    • Format: image
  46. Electronic gear on HORIZON; U.E.P. set-up on Horizon

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950); Horizon (Ship)
    • Date: 1950-02
    • Topic: Oceanographic instruments
    • Format: image
  47. Fantail of R/V Horizon, MidPac Expedition, 1950: Back: James Marion Snodgrass, Arthur E. Maxwell, Jeffery Frautschy, Lew Garrison, Ned Barr; Front: Russell Raitt, Kenneth O. Emery, Robert Floyd Dill, Roger Revelle, Edwin L. Hamilton, Ed Brayton, Tom Runyon, Bob Huffer; Richard Y. Morita squatting in front.

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950); Horizon (Ship); Emery, K. O. (Kenneth Orris), 1914-; Garrison, Lew; Hamilton, Edwin L. (Edwin Lee), 1914-; Morita, Richard Y.; Raitt, Russell W.; Snodgrass, James Marion, 1908-1994; Revelle, Roger, 1909-1991; Barr, Edward Sheldon, 1933-; Dill, Robert Floyd, 1927-; Frautschy, Jeffery Dean; Maxwell, Arthur Eugene, 1925-
    • Date: 1950
    • Topic: MidPac Expedition; Oceanographers
    • Format: image
  48. Horizon (front) underway

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950)
    • Date: 1949
    • Topic: Oceanographic research ships
    • Format: image
  49. Horizon underway

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950); Horizon (Ship)
    • Date: 1949
    • Topic: Oceanographic research ships
    • Format: image
  50. Kullenberg corer going over the side of R/V Horizon

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950); Horizon (Ship)
    • Date: 1950-09
    • Topic: Drill cores; Oceanographic instruments
    • Format: image
  51. Last haul of hydrophones on R/V Horizon

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950); Horizon (Ship)
    • Date: 1950-09-29
    • Topic: Oceanographic instruments; Hydrophone
    • Format: image
  52. Late model floating larva trap

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950)
    • Date: 1950-01
    • Topic: Larvae; Oceanographic instruments
    • Format: image
  53. Main highway, Bikini, Marshall Islands

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950)
    • Date: 1950-09-24
    • Topic: Bikini Atoll (Marshall Islands)
    • Format: image
  54. Ned Barr extracting Kullenberg core

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950); Horizon (Ship); Barr, Edward Sheldon, 1933-
    • Date: 1950-09
    • Topic: Oceanographic instruments
    • Format: image
  55. Probe bent

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950)
    • Date: 1950-09-26
    • Topic: Oceanographic instruments
    • Format: image
  56. Rain squall off Bikini as seen from R/V Horizon

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950); Horizon (Ship)
    • Date: 1950-09-26
    • Topic: Storms
    • Format: image
  57. Reef east of south end of Bikini, Marshall Islands

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950)
    • Date: 1950-09-24
    • Topic: Bikini Atoll (Marshall Islands); Reefs
    • Format: image
  58. Robert Dill doing laundry onboard R/V Horizon

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950); Horizon (Ship); Dill, Robert Floyd, 1927-
    • Date: 1950-09
    • Topic: Oceanographic research ships--Interiors
    • Format: image
  59. Rock, Ed Hamilton's samples MidPac Mts. Coral from seamount

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950); Hamilton, Edwin L. (Edwin Lee), 1914-
    • Date: 1950-09
    • Topic: Submarine geology; Coral; Seamounts; Dredging
    • Format: image
  60. Roger R. Revelle, first associate director in 1948, then acting director 1950, now leads a two ship expedition into the Pacific to Bikini call the Mid-Pacific Expedition. The Horizon was the Scripps ship on this.

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950)
    • Date: 1950-07
    • Topic: Oceanographic research ships
    • Format: image
  61. The HORIZON steams off on operation Mid-Pacific, first of the institution's major exploratory expeditions, carried on jointly with Navy Electronics Laboratory and with a scientific staff recruited from several institutions. Mid-Pac logged 125,368 miles and marked a new era in oceanographic research

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950)
    • Date: 1950-07
    • Topic: Oceanographic research ships
    • Format: image
  62. The last station, MidPac Expedition on the Horizon. Frank Vaughn, ship's cook, in foreground. Russell W. Raitt, SIO geologist facing forward in middle. 1950

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950); Vaughn, Frank; Raitt, Russell W.
    • Date: 1950
    • Topic: Oceanography
    • Format: image
  63. U.E.P. set up HORIZON

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950); Horizon (Ship)
    • Date: 1950-02-20
    • Topic: Oceanographic instruments
    • Format: image
  64. U.E.P. set up on HORIZON

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950); Horizon (Ship)
    • Date: 1950-02
    • Topic: Oceanographic instruments
    • Format: image
  65. U.E.P. Setup on Horizon

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950)
    • Date: 1950-02-20
    • Topic: Oceanographic research ships--Interiors; Oceanographic instruments
    • Format: image
  66. View of EPCER 857 from deck of R/V HORIZON

    • Collection: Roger Revelle Papers; Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950); Maxwell, Arthur Eugene, 1925-
    • Date: 1950
    • Topic: Oceanographic research ships
    • Format: image
  67. Workshop, Bikini, Marshall Islands

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950)
    • Date: 1950-09-24
    • Topic: Scientific expeditions; Bikini Atoll (Marshall Islands); Oceanography--Field work (land)
    • Format: image
  68. Arthur Eugene Maxwell and Jeffery Dean Frautschy working on deep bathythermograph onboard R/V Horizon

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950); Maxwell, Arthur Eugene, 1925-; Frautschy, Jeffery Dean
    • Date: 1950-09
    • Topic: Bathythermograph; Oceanographic instruments
    • Format: image
  69. Coconut Island Lab, Oahu, Hawaii

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950)
    • Date: 1950-08-22
    • Topic: Marine laboratories
    • Format: image
  70. Core sample on deck R/V HORIZON

    • Collection: Roger Revelle Papers; Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950); Horizon (Ship)
    • Date: 1950
    • Topic: Drill cores
    • Format: image
  71. Dr. Revelle's Rocks

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950); Horizon (Ship); Revelle, Roger, 1909-1991
    • Date: 1950-09
    • Topic: Dredging; Submarine geology
    • Format: image
  72. Dr. Revelle's Rocks, snail shells - taken from guyots - Mid-Pac Mts. NB 4975

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950); Revelle, Roger, 1909-1991
    • Date: 1950-09
    • Topic: Submarine geology; Shells--South Pacific Ocean; Dredging
    • Format: image
  73. Dredge haul from Sylvania Seamount containing fossil corals. Midpac Expedition, 1950

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950); Horizon (Ship); Hamilton, Edwin L. (Edwin Lee), 1914-; Wells, John West, 1907-
    • Date: 1950
    • Topic: Submarine geology; Dredges; Marine mineral resources
    • Format: image
  74. Figure 11. Total dredge haul from MP 33 D. A coquina of gastropod fragments cemented by calcareous ooze

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950); Horizon (Ship); Wells, John West, 1907-; Hamilton, Edwin L. (Edwin Lee), 1914-
    • Date: 1950
    • Topic: Dredges; Marine mineral resources; Submarine geology
    • Format: image
  75. Horizon Lab

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950)
    • Date: 1950
    • Topic: Oceanographic research ships--Interiors
    • Format: image
  76. James Snodgrass with an underway temperature element aboard R/V Horizon

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950); Snodgrass, James Marion, 1908-1994
    • Date: 1950-09
    • Topic: Oceanographic instruments
    • Format: image
  77. Jim Snodgrass and Roger Revelle handling a probe off the side of R/V Horizon

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950); Revelle, Roger, 1909-1991; Snodgrass, James Marion, 1908-1994
    • Date: 1950-09
    • Topic: Heat flow; Oceanographic instruments
    • Format: image
  78. Meteorologists deploy weather balloon from R/V HORIZON

    • Collection: Roger Revelle Papers; Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950)
    • Date: 1950
    • Topic: Meteorology
    • Format: image
  79. Mid-Pac Schedule

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950)
    • Date: 1950-07-11
    • Topic: Oceanography--Research-- Pacific Ocean; San Diego (Calif.); Scientific expeditions--Pacific Ocean
    • Format: image
  80. Officer's Club, Bikini, Marshall Islands

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950)
    • Date: 1950-09-24
    • Topic: Bikini Atoll (Marshall Islands)
    • Format: image
  81. Probes on fantail of R/V Horizon

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950)
    • Date: 1950-09
    • Topic: Oceanographic instruments
    • Format: image
  82. R/V Horizon at Bikini, Marshall Islands

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950)
    • Date: 1950-08-23
    • Topic: Oceanographic research ships; Scientific expeditions; Bikini Atoll (Marshall Islands); Oceanography--Field work (land)
    • Format: image
  83. Researchers on Scripps Institution's first post war expedition into the Pacific Ocean, Operation MidPac in 1950, checking the contents of a dredge haul. Then Acting Director Roger Revelle is in left foreground. L to R: Roger Revelle, Bob Dietz, Ed Hamilton, Ken Emery, Bob Dill, Dana Carlson.

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950); Dill, Robert Floyd, 1927-; Carlson, Dean; Emery, K. O. (Kenneth Orris), 1914-; Hamilton, Edwin L. (Edwin Lee), 1914-; Dietz, Robert S. (Robert Sinclair), 1914-; Revelle, Roger, 1909-1991
    • Date: 1950
    • Topic: Oceanographers; Marine mineral resources; Submarine geology
    • Format: image
  84. Robert Dill inspects a Phleger core

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950); Dill, Robert Floyd, 1927-
    • Date: 1950-09
    • Topic: Drill cores; Oceanographic instruments
    • Format: image
  85. Rock, snail shells covered with manganese taken from MidPac Mts., NB4975

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950); Horizon (Ship)
    • Date: 1950
    • Topic: Dredging; Submarine geology; Manganese Nodules
    • Format: image
  86. Roger R. Revelle

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950); Revelle, Roger, 1909-1991
    • Date: 1950-09-14
    • Topic: Oceanographers
    • Format: image
  87. Sonorbuoy. Several devices are commonly employed to aid in the detection of floating buoys at sea. Bells, lights, brightly colored flags and markings have all been in use for years. A new instrument, the Sonorbuoy, has been designed at Scripps. The Sonorbuoy is a versatile and compact miniature FM radio transmitter designed for use inoceanographic studies and projects. It is more easily detectable than most buoys, especially during adverse weather conditions, and may be easily tracked singly or in groups over extended periods of time. It contains batteries sufficient for several days of continuous operation. ...

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950)
    • Date: 1949-08
    • Topic: Oceanographic instruments
    • Format: image
  88. The chain-bag dredge used in all dredging operations on the Mid-Pacific Expedition. A complete dredge haul is displayed on the top of the dredge. Note the black coatings of manganese dioxide covering all of the rocks. Midpac Expedition, 1950

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950)
    • Date: 1950
    • Topic: Submarine geology; Marine mineral resources; Dredges
    • Format: image
  89. Tower covered with Japanese tuba vine, Bikini, Marshall Islands

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950)
    • Date: 1950-09-24
    • Topic: Bikini Atoll (Marshall Islands)
    • Format: image
  90. Transferring Robert Dietz, Henry Menard, and C. J. Shipek to EPCE(R)857, Experimental Patrol Craft Escort (Rescue)

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950); Dietz, Robert S. (Robert Sinclair), 1914-; Menard, Henry W. (Henry William), 1920-1986; Shipek, C. J.
    • Date: 1950-09-16
    • Topic: Warships
    • Format: image
  91. Underwater Electric Potential (U.E.P.) equipment onboard USS EPCE(R)-857, AN/UQC-1, Midpac Expedition, January 2, 1951

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Midpac Expedition (1950); USS EPCER 857
    • Date: 1951-01-02
    • Topic: Oceanographic research ships--Interiors; Warships
    • Format: image