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  1. 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
  2. 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
  3. 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
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. 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
  22. 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
  23. 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
  24. 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
  25. 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
  26. 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
  27. 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
  28. 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
  29. 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
  30. 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
  31. 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
  32. 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
  33. 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
  34. 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
  35. 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
  36. 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
  37. 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
  38. 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
  39. 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
  40. 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
  41. 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
  42. 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
  43. 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
  44. 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
  45. 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
  46. 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
  47. 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
  48. 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
  49. 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
  50. 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