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  1. Party time at Suva. Two very seasoned ocean vessels R/V Horizon and R/V Spencer F. Baird alongside Suva, Fiji's main pier. VIP party will soon take place.

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Capricorn Expedition (1952-1953); Horizon (Ship)
    • Date: 1952-12-12
    • Topic: Oceanographic research ships; Harbors
    • Format: image
  2. 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
  3. Crew members (left to right): Edward (Edward Sheldon) Barr, Bernard Darsey and Jeff (Norman J.) Holter enjoy a gourmet meal from cans "Abstain I" encampment on Eniman Island, Bikini Atoll, during the Capricorn Expedition (1952-1953). October 27, 1952.

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Horizon (Ship); Capricorn Expedition (1952-1953); Holter, Norman J., 1914-1983; Darsey, Bernard; Barr, Edward Sheldon, 1933-
    • Date: 1952-10-27
    • Topic: Oceanographers; Oceanography--Field work (land)
    • Format: image
  4. Crew member, Bernard Darsey, in Enniman camp, "Abstain I," on Bikini Atoll during the Capricorn Expedition (1952-1953). October 24, 1952.

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Horizon (Ship); Capricorn Expedition (1952-1953); Darsey, Bernard
    • Date: 1952-10-24
    • Topic: Oceanography--Field work (land)
    • Format: image
  5. Adjusting wave recording meter on Cherrete Island. Stan Ruttenberg and Jeff Holter

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Horizon (Ship); Capricorn Expedition (1952-1953); Ruttenberg, Stanley; Holter, Norman J., 1914-1983
    • Date: 1952-10-23
    • Topic: Oceanography--Field work (land); Oceanographers
    • Format: image
  6. Inside Cherrete Island tent; "Abstain II" encampment finally takes shape. Shore party arriving in small boat as R/V Horizon is anchored off shore

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Capricorn Expedition (1952-1953); Horizon (Ship)
    • Date: 1952-10-23
    • Topic: Oceanography--Field work (land); Oceanographic research ships
    • Format: image
  7. On Cheerete with R/V Horizon in background, wave recording cable is laid from the DUKW landing craft. Capricorn Expedition, October 23, 1952

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Horizon (Ship); Capricorn Expedition (1952-1953)
    • Date: 1952-10-23
    • Topic: Oceanography--Field work (land); Landing craft; Oceanographic research ships; Beaches
    • Format: image
  8. Jeff Holter and Martin Johnson set up camp "Abstain I" on Ennimen Isle, Bikini Atoll. . Capricorn Expedition, October 22, 1952

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Capricorn Expedition (1952-1953); Horizon (Ship); Holter, Norman J., 1914-1983; Johnson, Martin W. (Martin Wiggo), 1893-1984
    • Date: 1952-10-22
    • Topic: Oceanographers; Oceanography--Field work (land)
    • Format: image
  9. Seasick, Alan Jones and wave recorder instruments on Horizon

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Horizon (Ship); Capricorn Expedition (1952-1953); Jones, Alan Churchill, 1927-
    • Date: 1952-10
    • Topic: Oceanographic instruments
    • Format: image
  10. William [I.e. Winter] Horton boards Horizon in San Diego

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Horizon (Ship); Capricorn Expedition (1952-1953); Horton, Winter Davis
    • Date: 1952-09-26
    • Topic: Oceanographic research ships
    • Format: image
  11. Atomic wash down system, Horizon. Winter Horton, Darsey in foreground

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Horizon (Ship); Capricorn Expedition (1952-1953); Horton, Winter Davis; Darsey, Bernard
    • Date: 1952-09
    • Topic: Nuclear weapons--Marshall Islands--Bikini Atoll--Testing; Oceanographic research ships
    • Format: image
  12. Arthur Maxwell with heat probe on deck of Horizon

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Capricorn Expedition (1952-1953); Horizon (Ship); Maxwell, Arthur Eugene, 1925-
    • Date: 1952
    • Topic: Heat flow; Oceanographic research ships
    • Format: image
  13. Horizon at Sea

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Horizon (Ship); Capricorn Expedition (1952-1953)
    • Date: 1952
    • Topic: Oceanographic research ships
    • Format: image
  14. Horizon on the Horizon

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Capricorn Expedition (1952-1953); Horizon (Ship)
    • Date: 1952
    • Topic: Clouds
    • Format: image
  15. Jonesey. Alan C. Jones Capricorn Expedition, 1952

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Capricorn Expedition (1952-1953); Horizon (Ship); Jones, Alan Churchill, 1927-
    • Date: 1952
    • Topic: Oceanographers
    • Format: image
  16. Mess Hall of R/V HORIZON at "Happy Hour." Warren Beckwith, Jr., Clarence Palmer, Jeff Holter

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Capricorn Expedition (1952-1953); Horizon (Ship); Beckwith, Warren Wallace, Jr.; Holter, Norman J., 1914-1983; Palmer, Clarence
    • Date: 1952
    • Topic: Oceanographic research ships--Interiors
    • Format: image
  17. Mess Hall of R/V HORIZON at "Happy Hour." Warren Beckwith, Jr., Clarence Palmer, Jeff Holter

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Horizon (Ship); Capricorn Expedition (1952-1953); Beckwith, Warren Wallace, Jr.; Holter, Norman J., 1914-1983; Palmer, Clarence
    • Date: 1952
    • Topic: Oceanographic research ships--Interiors
    • Format: image
  18. Milton Nunn Bramlette extracting core. Capricorn Expedition, 1952

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Capricorn Expedition (1952-1953); Horizon (Ship); Bramlette, Milton Nunn, 1896-1977
    • Date: 1952
    • Topic: Oceanographers
    • Format: image
  19. My Fascinating experiences on the island of Bikini

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Barr, Edward Sheldon, 1933-; Midpac Expedition (1950); Horizon (Ship); Barr, Edward Sheldon, 1933-
    • Date: 1952
    • Topic: Oceanography--Research-- North Pacific Ocean; Scientific expeditions--Pacific Ocean; Oceanography--Field work (land); San Diego (Calif.); Bikini Atoll (Marshall Islands)
    • Format: image
  20. Norman Jeff Holter. Capricorn Expedition, 1952

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Horizon (Ship); Capricorn Expedition (1952-1953); Holter, Norman J., 1914-1983
    • Date: 1952
    • Topic: Oceanographers
    • Format: image
  21. Robert Dill testing for core in Kullenberg core sampler

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Horizon (Ship); Capricorn Expedition (1952-1953); Dill, Robert Floyd, 1927-
    • Date: 1952
    • Topic: Oceanographic instruments; Drill cores
    • Format: image
  22. 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
  23. Location selected for encampment "Little Petunia" Bikini Island.

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Horizon (Ship); Midpac Expedition (1950)
    • Date: 1950-09-23
    • Topic: Oceanography--Field work (land); Beaches
    • Format: image
  24. Left to right: Wayne Runyon hunts shells, Deane Carlson returns from tide pool sampling, Dick Morita does chemical analysis of sand moisture. Bikini Island encampment

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Midpac Expedition (1950); Horizon (Ship); Runyon, Wayne, Carlson, Dean; Morita, Richard Y.
    • Date: 1950-09
    • Topic: Oceanography--Field work (land); Beaches
    • Format: image
  25. Residue from World War II, Bikini Island, Bikini Atoll

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Midpac Expedition (1950); Horizon (Ship)
    • Date: 1950-09
    • Topic: Beaches
    • Format: image
  26. Discovering the MidPac Mountain Range on my watch! Edward S. Barr and the fathometer on Horizon, MidPac Expedition

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Midpac Expedition (1950); Horizon (Ship); Barr, Edward Sheldon, 1933-
    • Date: 1950-08-31
    • Topic: Oceanographic research ships--Interiors; Oceanographic instruments
    • Format: image
  27. This photo depicts Roger Revelle, who was an oceanographer and director of the Scripps Institution of Oceanography from 1950 to 1964, doing his own laundry using a galley soup kettle placed on a fish cleaning table while at sea during the Midpac Expedition (1950). August 1950.

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Midpac Expedition (1950); Horizon (Ship); Revelle, Roger, 1909-1991
    • Date: 1950-08
    • Topic: Laundry workers
    • Format: image
  28. A pause in the lives of the galley crew. Left to right: Thomas J. O'Callaghan, Frank Vaughn, head chef, and Elmer Foster. Midpac Expedition onboard the Horizon. 1950

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Midpac Expedition (1950); Horizon (Ship); O'Callaghan, Thomas J.; Vaughn, Frank; Foster, Elmer
    • Date: 1950
    • Topic: Cooks
    • Format: image
  29. A very worn out and tired looking Horizon as she approaches the fuel barge in Kwajalein Atoll

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Horizon (Ship); Midpac Expedition (1950)
    • Date: 1950
    • Topic: Oceanographic research ships
    • Format: image
  30. Arthur Maxwell, right, with temperature probe. Midpac Expedition, 1950

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Midpac Expedition (1950); Horizon (Ship); Maxwell, Arthur Eugene, 1925-
    • Date: 1950
    • Topic: Oceanographic instruments; Heat flow
    • Format: image
  31. Bathythermograph cast from R/V Horizon. Midpac Expedition, 1950

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Horizon (Ship); Midpac Expedition (1950)
    • Date: 1950
    • Topic: Oceanographic instruments; Bathythermograph
    • Format: image
  32. Before the movie showing - after dinner, during an early evening poker game in the Mess Hall. Left to right: Mike, Sydney Rittenberg, Arthur E. Maxwell, Bud Miller, Frank Vaughn (cook), William "Buddy" King. Onboard R/V Horizon, Midpac Expedition, 1950

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Horizon (Ship); Midpac Expedition (1950); King, William C.; Rittenberg, Sydney Charles, 1914-; Miller, Buck; Maxwell, Arthur Eugene, 1925-; Mike; Vaughn, Frank
    • Date: 1950
    • Topic: Poker
    • Format: image
  33. Cordell in crew quarters, R/V Horizon, MidPac Expedition

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Midpac Expedition (1950); Horizon (Ship); Cordell
    • Date: 1950
    • Topic: Oceanographic research ships--Interiors
    • Format: image
  34. Crewman Buck Miller, Bikini Island

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Horizon (Ship); Midpac Expedition (1950); Miller, Buck
    • Date: 1950
    • Topic: Bikini Atoll; Jungles
    • Format: image
  35. Ed Barr writes his diary, Bikini Island encampment

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Horizon (Ship); Midpac Expedition (1950); Barr, Edward Sheldon, 1933-
    • Date: 1950
    • Topic: Oceanography--Field work (land)
    • Format: image
  36. Edward Barr watches Fathometer traces as the newly discovered MidPac mountain range is plotted

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Horizon (Ship); Midpac Expedition (1950)
    • Date: 1950
    • Topic: Oceanographic instruments
    • Format: image
  37. Edward S. Barr with signal light, R/V Horizon, MidPac Expedition

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Horizon (Ship); Midpac Expedition (1950); Barr, Edward Sheldon, 1933-
    • Date: 1950
    • Topic: Oceanographic instruments; Nautical instruments; Signal lights
    • Format: image
  38. EPCE(R) 857 and HORIZON rendezvous at sea

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Midpac Expedition (1950); Horizon (Ship)
    • Date: 1950
    • Topic: Oceanographic research ships; Horizon (Ship)
    • Format: image
  39. EPCE(R) 857 and R/V HORIZON rendezvous at sea

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Horizon (Ship); Midpac Expedition (1950); Maxwell, Arthur Eugene, 1925-
    • Date: 1950
    • Topic: Oceanographic research ships
    • Format: image
  40. Frank Nolan, George Hetzel, Jim Faughn, Jim Snodgrass secure Maxwell's temperature probe to AH bulkhead, MidPac Expedition

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Midpac Expedition (1950); Horizon (Ship); Faughn, James Lawrence, 1910-1985; Snodgrass, James Marion, 1908-1994; Hetzel, George F.; Nolan, Frank
    • Date: 1950
    • Topic: Heat flow; Oceanographic instruments
    • Format: image
  41. Frank Nolan, Tom Chapman, Clyde Lewis, "Mike" have coffee break in mess hall, R/V Horizon, MidPac Expedition

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Midpac Expedition (1950); Horizon (Ship); Chapman, Tom; Lewis, Clyde; Nolan, Frank; Mike
    • Date: 1950
    • Topic: Oceanographic research ships--Interiors
    • Format: image
  42. Group Science personnel photo. George Fenton with everyone's cameras, MidPac Expedition

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Midpac Expedition (1950); Horizon (Ship); Fenton, George
    • Date: 1950
    • Topic: Cameras
    • Format: image
  43. 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
  44. John Isaacs arrives in Kwajalein

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Midpac Expedition (1950); Horizon (Ship); Isaacs, John D. (John Dove)
    • Date: 1950
    • Topic: Kwajalein Atoll (Marshall Islands)
    • Format: image
  45. Kwajalein Harbor

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Midpac Expedition (1950); Horizon (Ship)
    • Date: 1950
    • Topic: Kwajalein Atoll (Marshall Islands); Harbors
    • Format: image
  46. MacFall and shower, R/V HORIZON

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Horizon (Ship); Midpac Expedition (1950); MacFall, John B.
    • Date: 1950
    • Topic: Oceanographic research ships
    • Format: image
  47. Men on deck R/V HORIZON with life rafts

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Horizon (Ship); Midpac Expedition (1950)
    • Date: 1950
    • Topic: Lifeboats
    • Format: image
  48. Mid Ocean swim break. Left to right: Roger Revelle, Louis Garrison, Deane Carlson, [William C.] "Buddy" King, Bob Dill

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Midpac Expedition (1950); Horizon (Ship); Dill, Robert Floyd, 1927-
    • Date: 1950
    • Topic: Swimmers
    • Format: image
  49. Navy's EPCE(R) 857 alongside HORIZON

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Midpac Expedition (1950); Horizon (Ship)
    • Date: 1950
    • Topic: Oceanographic research ships
    • Format: image
  50. Navy's escorting ship EPCER 857 being refueled from Horizon somewhere in the Mid Pacific

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Horizon (Ship); Midpac Expedition (1950)
    • Date: 1950
    • Topic: Warships; Oceanographic research ships
    • Format: image
  51. Necker Island

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Horizon (Ship); Midpac Expedition (1950)
    • Date: 1950
    • Topic: Necker Island
    • Format: image
  52. Oceanographers Roger Revelle and John D. (John Dove) Isaacs on the dock discussing the research work that they will be doing for 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. Scientists were surprised to find that the seafloor was young, deep and rocky, not flat, old and filled with sediments. Measurements of continental heat flow from the ocean raised questions about the history of the Pacific Ocean basin that were later answered by Plate Tectonics theory. 1950.

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Midpac Expedition (1950); Horizon (Ship); Isaacs, John D. (John Dove); Revelle, Roger, 1909-1991
    • Date: 1950
    • Topic: Oceanographers
    • Format: image
  53. One of the Horizon's two main engines, a large V-8 General Motor diesel.

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Horizon (Ship); Midpac Expedition (1950)
    • Date: 1950
    • Topic: Marine engines
    • Format: image
  54. R/V HORIZON at dock

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Horizon (Ship); Midpac Expedition (1950)
    • Date: 1950
    • Topic: Kwajalein Atoll (Marshall Islands)
    • Format: image
  55. R/V HORIZON at dock at Kwajalein

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Midpac Expedition (1950); Horizon (Ship)
    • Date: 1950
    • Topic: Oceanographic research ships; Kwajalein Atoll (Marshall Islands)
    • Format: image
  56. R/V Horizon at Sea

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Midpac Expedition (1950); Horizon (Ship)
    • Date: 1950
    • Topic: Oceanographic research ships; Horizon (Ship)
    • Format: image
  57. R/V Horizon Chemical Lab. Left to right: Sidney Rittenberg, Dick Morita

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Horizon (Ship); Midpac Expedition (1950); Rittenberg, Sydney Charles, 1914-; Morita, Richard Y.
    • Date: 1950
    • Topic: Oceanographic research ships--Interiors; Chemical oceanography
    • Format: image
  58. R/V HORIZON from A-Frame at sunset

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Horizon (Ship); Midpac Expedition (1950)
    • Date: 1950
    • Topic: Oceanographic research ships
    • Format: image
  59. Radio Operator Nick Carter in Radio Room, R/V Horizon, MidPac Expedition

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Midpac Expedition (1950); Horizon (Ship); Carter, Nick
    • Date: 1950
    • Topic: Oceanographic instruments; Radio on boats; Telecommunication--Equipment and supplies
    • Format: image
  60. Richard Morita and Robert Dill taking chemical readings ernisticial water in beach sand, Bikini Island

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Horizon (Ship); Midpac Expedition (1950); Dill, Robert Floyd, 1927-; Morita, Richard Y.
    • Date: 1950
    • Topic: Oceanography--Field work (land); Beaches; Chemical oceanography
    • Format: image
  61. Robert F. Dill

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Midpac Expedition (1950); Horizon (Ship); Dill, Robert Floyd, 1927-
    • Date: 1950
    • Topic: Oceanographers; Skin Diving
    • Format: image
  62. Robert Huffer and Jeffery Frautschy deploying instrument

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Horizon (Ship); Midpac Expedition (1950); Frautschy, Jeffery Dean; Huffer, Robert
    • Date: 1950
    • Topic: Oceanographic instruments
    • Format: image
  63. Robert Huffer examines "new critters" caught in a plankton net haul

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Midpac Expedition (1950); Horizon (Ship); Huffer, Robert
    • Date: 1950
    • Topic: Marine biology
    • Format: image
  64. 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
  65. Sensors inserted into sections of Kullenberg core

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Midpac Expedition (1950); Horizon (Ship)
    • Date: 1950
    • Topic: Drill cores
    • Format: image
  66. Sydney Rittenberg and Richard Morita examine a recent Phleger core segment

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Midpac Expedition (1950); Horizon (Ship); Morita, Richard Y.; Rittenberg, Sydney Charles, 1914-
    • Date: 1950
    • Topic: Drill cores
    • Format: image
  67. Tom Chapman and Capt. James Faughn on fly bridge above Pilot House R/V Horizon

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Horizon (Ship); Midpac Expedition (1950); Chapman, Tom; Faughn, James Lawrence, 1910-1985
    • Date: 1950
    • Topic: Ship captains
    • Format: image