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  1. Action to: Dr. Rakestraw

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Revelle, Roger, 1909-1991; Horizon (Ship); Midpac Expedition (1950); Revelle, Roger, 1909-1991; Rakestraw, Norris W. (Norris Watson), 1895-1982
    • Date: 1950-09-21
    • Topic: Oceanography--Research-- North Pacific Ocean; Scientific expeditions--Pacific Ocean; North Pacific Ocean
    • Format: image
  2. Proposed University of California Mid-Pacific Expedition

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Revelle, Roger, 1909-1991; Horizon (Ship); Midpac Expedition (1950); Revelle, Roger, 1909-1991
    • Date: 1949-10-10
    • Topic: MidPac Expedition; Submarine geology; San Diego (Calif.)
    • Format: image
  3. MidPac Scientific Program for August 4 and 5 1950

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Revelle, Roger, 1909-1991; Horizon (Ship); Midpac Expedition (1950); Revelle, Roger, 1909-1991; Faughn, James Lawrence, 1910-1985
    • Date: 1950-08-04
    • Topic: Oceanographic instruments; Bathythermograph; North Pacific Ocean; Oceanography; Hydrophone; Seismic profiling; Drill Core; Submarine geology; Marine biology
    • Format: image
  4. Action to: Dr. Rakestraw

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Revelle, Roger, 1909-1991; Horizon (Ship); Midpac Expedition (1950); Revelle, Roger, 1909-1991; Rakestraw, Norris W. (Norris Watson), 1895-1982
    • Date: 1950-08-14
    • Topic: North Pacific Ocean; Oceanography--Research-- North Pacific Ocean; Scientific expeditions--Pacific Ocean
    • Format: image
  5. Discovery in the central Pacific of a tremendous underwater mountain range

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: University of California; Horizon (Ship); Midpac Expedition (1950); Revelle, Roger, 1909-1991
    • Date: 1950-11-04
    • Topic: Submarine geology; San Diego (Calif.); MidPac Expedition
    • Format: image
  6. MidPac Scientific Program for August 11, 1950

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Revelle, Roger, 1909-1991; Horizon (Ship); Midpac Expedition (1950); Faughn, James Lawrence, 1910-1985; Revelle, Roger, 1909-1991
    • Date: 1950-08-11
    • Topic: Marine biology; Oceanography; North Pacific Ocean; Bathythermograph; Hydrophone; Oceanographic instruments
    • Format: image
  7. Notes on the Joint Scripps Institution of Oceanography-U.S. Navy Electronics Laboratory Mid-Pacific Expedition

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Revelle, Roger, 1909-1991; Horizon (Ship); Midpac Expedition (1950); Revelle, Roger, 1909-1991
    • Date: 1950-11-01
    • Topic: MidPac Expedition; San Diego (Calif.)
    • Format: image
  8. Memorandum to Roger Revelle

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Dietz, Robert S. (Robert Sinclair), 1914-; Midpac Expedition (1950); Horizon (Ship); Revelle, Roger, 1909-1991; Dietz, Robert S. (Robert Sinclair), 1914-
    • Date: 1950-06-07
    • Topic: MidPac Expedition; San Diego (Calif.); Seamounts; U.S. Navy Electronics Laboratory (San Diego, Calif.)
    • Format: image
  9. Dispatch to N. W. Rakestraw

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Faughn, James Lawrence, 1910-1985; Horizon (Ship); Midpac Expedition (1950); Rakestraw, Norris W. (Norris Watson), 1895-1982; Revelle, Roger, 1909-1991
    • Date: 1950-08
    • Topic: Oceanography; Hawaii
    • Format: image
  10. MidPac Scientific Program for 1 August 1950

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Revelle, Roger, 1909-1991; Horizon (Ship); Midpac Expedition (1950); Revelle, Roger, 1909-1991
    • Date: 1950-08-01
    • Topic: Marine biology; Heat flow; North Pacific Ocean; Bathythermograph; Oceanography; Oceanographic instruments; Submarine geology
    • Format: image
  11. MidPac Operations Plan 21/23 September 1950

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Revelle, Roger, 1909-1991; Midpac Expedition (1950); Horizon (Ship); Revelle, Roger, 1909-1991
    • Date: 1950-09-21
    • Topic: Drill cores; Submarine geology; Bikini Atoll; Marine biology; Oceanographic instruments; Oceanography; Hydrophone
    • Format: image
  12. Radio dispatch to Norris W. Rakestraw

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Revelle, Roger, 1909-1991; Horizon (Ship); Midpac Expedition (1950); Revelle, Roger, 1909-1991; Rakestraw, Norris W. (Norris Watson), 1895-1982
    • Date: 1950-09-09
    • Topic: Horizon (Ship); Telecommunication; MidPac Expedition; Submarine geology; North Pacific Ocean
    • Format: image
  13. MidPac Scientific Program for 30 July 1950

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Revelle, Roger, 1909-1991; Horizon (Ship); Midpac Expedition (1950); Revelle, Roger, 1909-1991
    • Date: 1950-07-30
    • Topic: Submarine geology; Sounding and soundings; Oceanographic instruments; Oceanography; North Pacific Ocean; Marine biology
    • Format: image
  14. 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
  15. MidPac Scientific Program for August 4, 5 and 6 1950

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Revelle, Roger, 1909-1991; Midpac Expedition (1950); Horizon (Ship); Revelle, Roger, 1909-1991; Faughn, James Lawrence, 1910-1985
    • Date: 1950-08-04
    • Topic: North Pacific Ocean; Submarine geology; Hydrophone; Oceanography; Bathythermograph; Drill Core; Oceanographic instruments; Marine biology
    • Format: image
  16. Action to: Dr. Rakestraw

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Revelle, Roger, 1909-1991; Midpac Expedition (1950); Horizon (Ship); Rakestraw, Norris W. (Norris Watson), 1895-1982; Revelle, Roger, 1909-1991
    • Date: 1950-08-21
    • Topic: Scientific expeditions--Pacific Ocean; Oceanography--Research-- North Pacific Ocean; Hawaii
    • Format: image
  17. Radio dispatch to Prof. N.W. Rakestraw

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Revelle, Roger, 1909-1991; Horizon (Ship); Midpac Expedition (1950); Revelle, Roger, 1909-1991; Rakestraw, Norris W. (Norris Watson), 1895-1982
    • Date: 1950-08-14
    • Topic: MidPac Expedition; North Pacific Ocean; Submarine geology; Oceanographic research ships; Telecommunication
    • Format: image
  18. MidPac Scientific Operation Plan, August 21, 22, 23

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Revelle, Roger, 1909-1991; Midpac Expedition (1950); Horizon (Ship); Revelle, Roger, 1909-1991
    • Date: 1950-08-21
    • Topic: Oceanography; Oceanographic instruments; Hydrophone; North Pacific Ocean; Seismic profiling
    • Format: image
  19. Memorandum] To: Dr. Norris W. Rakestra

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Revelle, Roger, 1909-1991; Midpac Expedition (1950); Horizon (Ship); Revelle, Roger, 1909-1991; Rakestraw, Norris W. (Norris Watson), 1895-1982
    • Date: 1950-09-12
    • Topic: Scientific expeditions--Pacific Ocean; Oceanography--Research-- North Pacific Ocean; Hawaii
    • Format: image
  20. Notes on the Joint Scripps Institution of Oceanography-U.S. Navy Electronics Laboratory Mid-Pacific Expedition

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Revelle, Roger, 1909-1991; Horizon (Ship); Midpac Expedition (1950); Revelle, Roger, 1909-1991
    • Date: 1950-11-01
    • Topic: Navy Electronics Laboratory; South Pacific Ocean
    • Format: image
  21. Letter to Allyn C. Vine and Beauregard Perkins with enclosure

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Revelle, Roger, 1909-1991; Midpac Expedition (1950); Horizon (Ship); Revelle, Roger, 1909-1991; Vine, Allyn C.; Perkins, Beauregard
    • Date: 1950-01-09
    • Topic: San Diego (Calif.); MidPac Expedition; Oceanographic research ships; United States. Office of Naval Research
    • Format: image
  22. Letter to Roger Revelle

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Ladd, Harry Stephen, 1899-; Horizon (Ship); Midpac Expedition (1950); Emery, K.O. (Kenneth Orris), 1914-; Revelle, Roger, 1909-1991; Ladd, Harry Stephen, 1899-
    • Date: 1950-10-09
    • Topic: MidPac Expedition; Marshall Islands--Bikini Atoll; Washington (D.C.)
    • Format: image
  23. Memorandum] To: Dr. Norris W. Rakestra

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Revelle, Roger, 1909-1991; Midpac Expedition (1950); Horizon (Ship); Rakestraw, Norris W. (Norris Watson), 1895-1982; Revelle, Roger, 1909-1991
    • Date: 1950-08-29
    • Topic: Pearl Harbor (Hawaii); Scientific expeditions--Pacific Ocean; Oceanography--Research-- North Pacific Ocean
    • Format: image
  24. Memorandum to Distribution List

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Dietz, Robert S. (Robert Sinclair), 1914-; Revelle, Roger, 1909-1991; Horizon (Ship); Midpac Expedition (1950); Dietz, Robert S. (Robert Sinclair), 1914-; Revelle, Roger, 1909-1991
    • Date: 1950-06-08
    • Topic: MidPac Expedition; U.S. Navy Electronics Laboratory (San Diego, Calif.); San Diego (Calif.)
    • Format: image
  25. MidPac Scientific Program for 29 July 1950

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Revelle, Roger, 1909-1991; Midpac Expedition (1950); Horizon (Ship); Revelle, Roger, 1909-1991
    • Date: 1950-07-29
    • Topic: Hydrophone; North Pacific Ocean; Submarine geology; Oceanography; Oceanographic instruments
    • Format: image
  26. Letter to William Walden Rubey

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Revelle, Roger, 1909-1991; Midpac Expedition (1950); Horizon (Ship); Revelle, Roger, 1909-1991; Rubey, William Walden, 1898-1974
    • Date: 1950-12-11
    • Topic: Dredging; Submarine geology; San Diego (Calif.); Seamounts
    • Format: image
  27. Morning Orders 2 October 1950

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Revelle, Roger, 1909-1991; Horizon (Ship); Midpac Expedition (1950); Revelle, Roger, 1909-1991
    • Date: 1950-10-02
    • Topic: Kwajalein Atoll (Marshall Islands)
    • Format: image
  28. Roger Revelle and Robert Dietz, co-chief scientists on the MidPac Expedition of 1950, discussing significance of lithified globigerina ooze dredged from western Pacific. The Cretaceous fossils enclosed indicated a much younger age than expected -- a mystery which remained unresolved until later explained by plate tectonics and continental drift. Shot 1 of 3

    • Collection: Roger Revelle Papers; Scripps Institution of Oceanography Photographs
    • Name: Midpac Expedition (1950); Horizon (Ship); Revelle, Roger, 1909-1991; Dietz, Robert S. (Robert Sinclair), 1914-
    • Date: 1951
    • Topic: Oceanographers; Submarine geology
    • Format: image
  29. Oceanographers Jeffery Dean Frautschy; Robert S. (Robert Sinclair) Dietz; Roger Revelle; and K.O. (Kenneth Orris) Emery bringing in a dredge haul aboard the R/V Horizon during the Midpac Expedition (1950). This expedition involved Scripps Institution of Oceanography and the U.S. Navy which discovered the Mid-Pacific Mountain Range on the bottom of the Pacific Ocean and confirmed Darwin's theory about the origin of atolls. 1950.

    • Collection: Roger Revelle Papers; Scripps Institution of Oceanography Photographs
    • Name: Dill, Robert Floyd, 1927-; Horizon (Ship); Midpac Expedition (1950); Frautschy, Jeffery Dean; Dietz, Robert S. (Robert Sinclair), 1914-; Emery, K.O. (Kenneth Orris), 1914-; Revelle, Roger, 1909-1991
    • Date: 1950
    • Topic: Dredges
    • Format: image
  30. 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
  31. Jeff [Scientists on deck of R/V HORIZON. Rear, standing:] Ed Barr, Louis Garrison, Jeffery Frautschy, Arthur Maxwell, James Snodgrass. Middle row: Bob Dill, K.O. Emery, Russell Raitt. Front row: Bob Huffer, Tom Runyon, Ed Brayton, Edwin Hamilton, Roger Revelle. Dick Morita is seated in the foreground.

    • Collection: Roger Revelle Papers; Scripps Institution of Oceanography Photographs
    • Name: Frautschy, Jeffery Dean; Horizon (Ship); Midpac Expedition (1950); Hamilton, Edwin L. (Edwin Lee), 1914-; Runyon, Thomas; Morita, Richard Y.; Revelle, Roger, 1909-1991; Raitt, Russell W.; Frautschy, Jeffery Dean; Brayton, Edward; Emery, K.O. (Kenneth Orris), 1914-; Maxwell, Arthur Eugene, 1925-; Dill, Robert Floyd, 1927-; Snodgrass, James Marion, 1908-1994; Huffer, Robert; Garrison, Louis; Barr, Edward Sheldon, 1933
    • Date: 1950
    • Topic: Oceanographers
    • Format: image
  32. September 24, Bringing supplies ashore to set up camp "Little Petunia", Bikini Atoll. Left to right (foreground) Russell Raitt, Dick Morita, Roger Revelle, Tom Chapman (background) Deane Carlson, Edward Barr

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Midpac Expedition (1950); Horizon (Ship); Barr, Edward Sheldon, 1933-; Chapman, Tom; Carlson, Dean; Revelle, Roger, 1909-1991; Raitt, Russell W.; Morita, Richard Y.
    • Date: 1950-09-24
    • Topic: Lifeboats; Oceanography--Field work (land)
    • Format: image
  33. 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
  34. Milton Bramlette and Roger Revelle examine sections of a recently recovered Kullenberg core

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Horizon (Ship); Capricorn Expedition (1952-1953); Bramlette, Milton Nunn, 1896-1977; Revelle, Roger, 1909-1991
    • Date: 1952-12
    • Topic: Drill cores
    • Format: image
  35. Scientists, Regents and University of California officials aboard R/V HORIZON in San Diego for the March 26, 1951, dedication of Thomas Wayland Vaughan Aquarium Museum. L to R: Roger R. Revelle, Russell W. Raitt, Robert S. Dietz, Carl Sauer, Hugh Miller, Edward Goldberg, Carl Epling, Theodore Jahn, Martin W. Johnson, Allan DeLacy, John D. Isaacs, James M. Snodgrass, Capt. Dundas Tucker, George Beadle, Lawrence Blinks, Ben B. Cox, J.P. Maxfield, C.C. Lauritsen, John Adkins, Claude E. ZoBell, Vernon O. Knudsen, Lee Kinsey, Louis Slichter, Columbus Iselin, Carl L. Hubbs, Norris Rakestraw and Daniel Merriman

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: United States. Navy Electronics Laboratory; Horizon (Ship); Revelle, Roger, 1909-1991; Sauer, Carl Ortwin, 1889-; DeLacy,Allan; Jahn, Theodore Louis, 1905-, Johnson, Martin W. (Martin Wiggo), 1893-1984; Isaacs, John D. (John Dove); Raitt, Russell W.; Dietz, Robert S. (Robert Sinclair), 1914-; Epling, Carl Clawson, 1894-; Goldberg, Edward D.; Miller, Hugh; Snodgrass, James Marion, 1908-1994
    • Date: 1951-03-26
    • Topic: Oceanographic research ships; Oceanographers
    • Format: image
  36. Bikini Encampment: Standing (L to R): unidentified, Robert Dill?, Roger Revelle, unidentified, Edwin Hamilton; Seated (L to R): Jeffery Frautschy, Robert Dietz, H. William Menard, K.O. Emery and Unidentified. Midpac Expedition, 1950

    • Collection: Roger Revelle Papers; Scripps Institution of Oceanography Photographs
    • Name: Morita, Richard Y.; Midpac Expedition (1950); Horizon (Ship); Dietz, Robert S. (Robert Sinclair), 1914-; Menard, Henry W. (Henry William), 1920-1986; Hamilton, Edwin L. (Edwin Lee), 1914-; Dill, Robert Floyd, 1927-; Emery, Kenneth O. (Kenneth Orris), 1914-; Frautschy, Jeffery Dean; Revelle, Roger, 1909-1991
    • Date: 1950
    • Topic: Oceanography--Field work (land); Oceanographers
    • Format: image
  37. 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
  38. 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
  39. Roger Revelle attaches Nansen bottle to lowering cable from starboard bucket

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Horizon (Ship); Midpac Expedition (1950); Revelle, Roger, 1909-1991
    • Date: 1950
    • Topic: Oceanographic instruments
    • Format: image
  40. 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
  41. 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
  42. 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
  43. Robert Dill, Roger Revelle and group swimming off the side of the research vessel Horizon during the MidPac Expedition (1950). 1950.

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Morita, Richard Y.; Horizon (Ship); Midpac Expedition (1950); Dill, Robert Floyd, 1927-; Revelle, Roger, 1909-1991
    • Date: 1950
    • Topic: Swimmers; Oceanographers
    • Format: image
  44. [Roger Revelle on aft deck, R/V HORIZON deploying temperature probe]

    • Collection: Roger Revelle Papers; Scripps Institution of Oceanography Photographs
    • Name: Dill, Robert Floyd, 1927-; Horizon (Ship); Midpac Expedition (1950); Revelle, Roger, 1909-1991
    • Date: 1950
    • Topic: Oceanographic instruments; Heat flow
    • Format: image
  45. Isaacs, Revelle, Menard discuss plan for the day, R/V HORIZON

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Horizon (Ship); Midpac Expedition (1950); Menard, Henry W. (Henry William), 1920-1986; Isaacs, John D. (John Dove); Revelle, Roger, 1909-1991
    • Date: 1950
    • Topic: Oceanographers
    • Format: image
  46. Scientists examine contents of dredge haul on deck of R/V HORIZON. Left to Right: Roger Revelle, Ed Hamilton, Robert Dietz, Ken Emery, Deane Carlson

    • Collection: Roger Revelle Papers; Scripps Institution of Oceanography Photographs
    • Name: Frautschy, Jeffery Dean; Horizon (Ship); Midpac Expedition (1950); Dietz, Robert Sinclair, 1914-; Hamilton, Edwin L. (Edwin Lee), 1914-; Emery, K.O. (Kenneth Orris), 1914-; Carlson, Dean; Revelle, Roger, 1909-1991
    • Date: 1950
    • Topic: Oceanographers; Submarine geology; Dredging
    • Format: image
  47. Midpac Expedition scientific party at Bikini. Front row: Jeffery Frautschy, Robert Dietz, H. William Menard, Kenneth O. Emery, unidentified; Back row: unidentified, Robert Dill, Roger Revelle, unidentified, Ed Hamilton. 1950

    • Collection: Roger Revelle Papers; Scripps Institution of Oceanography Photographs
    • Name: Morita, Richard Y.; Horizon (Ship); Midpac Expedition (1950); Revelle, Roger, 1909-1991; Frautschy, Jeffery Dean; Emery, K.O. (Kenneth Orris), 1914-; Dill, Robert Floyd, 1927-; Menard, Henry W. (Henry William), 1920-1986; Dietz, Robert S. (Robert Sinclair), 1914-
    • Date: 1950
    • Topic: Bikini Atoll (Marshall Islands); Oceanographers
    • Format: image
  48. Roger Revelle and Robert Dietz, co-chief scientists on the MidPac Expedition of 1950, discussing significance of lithified globigerina ooze dredged from western Pacific. The Cretaceous fossils enclosed indicated a much younger age than expected -- a mystery which remained unresolved until later explained by plate tectonics and continental drift. Shot 3 of 3

    • Collection: Roger Revelle Papers; Scripps Institution of Oceanography Photographs
    • Name: Horizon (Ship); Midpac Expedition (1950); Revelle, Roger, 1909-1991; Dietz, Robert S. (Robert Sinclair), 1914-
    • Date: 1950
    • Topic: Oceanographers; Submarine geology
    • Format: image
  49. Roger Revelle and Robert Dietz, co-chief scientists on the MidPac Expedition of 1950, discussing significance of lithified globigerina ooze dredged from western Pacific. The Cretaceous fossils enclosed indicated a much younger age than expected -- a mystery which remained unresolved until later explained by plate tectonics and continental drift. Shot 2 of 3

    • Collection: Roger Revelle Papers; Scripps Institution of Oceanography Photographs
    • Name: Horizon (Ship); Midpac Expedition (1950); Revelle, Roger, 1909-1991; Dietz, Robert S. (Robert Sinclair), 1914-
    • Date: 1951
    • Topic: Oceanographers; Submarine geology
    • Format: image
  50. 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