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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. 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
  3. 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
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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
  9. 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
  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. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. 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
  22. 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
  23. 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
  24. 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
  25. 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
  26. 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
  27. 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
  28. 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
  29. 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
  30. 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
  31. 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
  32. 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
  33. 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
  34. 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
  35. 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
  36. 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
  37. 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
  38. 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
  39. 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
  40. 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
  41. 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
  42. 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
  43. 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
  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. 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
  46. 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. 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
  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. 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
  50. 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