seismic-refraction profiles 

 gravity (no. of naut. mi.) 

 magnetic (no. of naut. mi.) 

 bathymetry-wide beam 

 (no. of naut. mi.) 



2 



3,800 

 3,800 



3,800 



Stations or Samples 



Leg 2, East Margin Yucatan Peninsula 



• USGS Unitedgeo I, USGS-UGEO Cruise 71-2, June and July 1971, 

 26 days 



• 04789 NA (NAR) Vedder, J. G. (NSF IDOE) 45, 46, 81, 82 



• IDOE 



• NSF Proposal No. P1X0019 



Descriptive Oceanography 

 bathythermograph-expendable 



(no. of drops) 

 Geology & Geophysics 

 dredge/grab samples 



(no. of samples) 

 seismic-relection profiles 



(no. of naut. mi.) 

 gravity (no. of naut. mi.) 

 magnetic (no. of naut. mi.) 

 bathymetrywide beam 



(no. of naut. mi.) 

 sediment thermal gradient 



2,400 

 2,800 

 2,800 



2,400 

 1 



Leg 3, Eastern Greater Antilles 



• USGS Unitedgeo I USGS IDOE Cruise 71 

 July and August 1971, 19 days 



• 05429 NA (NAR) Garrison, L. E. 



• IDOE 



• NSF Proposal No. P1X0019 



Geology & Geophysics 



dredge/grab samples 



(no. of samples) 

 seismic-relection profiles 



(no. of naut. mi.) 

 seismic-refraction profiles 

 gravity (no. of naut. mi.) 

 magnetic (no. of naut. mi.) 

 bathymetry-wide beam 



(no. of naut. mi.) 



Leg 3 Greater Antilles, 

 (NSF IDOE) 42, 43 



Stations or Samples 



3,028 



3 



3,028 



3,028 



3,028 



Leg 4, Venezuela Continental Borderland 



• USGS Unitedgeo I, USGS-IDOE Cruise 71, Leg 4, Venezuelan Bor- 

 derland, August to October 1971, 45 days 



• 05490 NA (NAR) Silver, E. A. (NSF IDOE) 43, 44 



• IDOE 



• NSF Proposal No. P1X0019 



Geology & Geophysics 

 seismic-reflection profiles 



(no. of naut. mi.) 

 gravity (no. of naut. mi.) 

 magnetic (no. of naut. mi.) 

 bathymetry-wide beam 



(no. of naut. mi.) 

 seismic reflection profiles (sonobuoy) 

 Biology 

 aves 



Stations or Samples 



4,200 

 4,200 

 4,200 



4,200 

 2 



Leg 5, Continental Margin of Liberia 



• USGS Unitedgeo I, UGl, Leg 5, October and November 1971, 23 

 days 



• 05871 NA (TC NAR) Schlee, J. S. (NSF IDOE) 1, 2 



• IDOE 



• NSF Proposal No. P1X0019, Geophysical/Geological Investigation 

 of West Africa (Liberian Continental Margin) 



Geology & Geophysics Stations or Samples 



dredge/grab samples 



(no. of samples) 3 



seismic-reflection profiles 



(no. of naut. mi.) 2,911 



gravity (no. of naut. mi.) 2,911 



magnetic (no. of naut. mi.) 2,911 

 bathymetry- narrow beam 



(no. of naut. mi.) 2,911 

 seismic reflection profiles (sonobuoy) 5 



Leg 6, Trans-Atlantic Crossing, West Africa to Virgin Islands 



• USGS Unitedgeo I, Leg 6, November and December 1971, 16 days 



• 05909 NA (TC NAR) Kane, M. F. (NSF IDOE) 2, 3, 4, 5, 40, 41, 

 42, 43 



• IDOE 



• NSF Proposal No. P1X0019 



Geology & Geophysics 

 seismic-reflection profiles 



(no. of naut. mi.) 

 seismic-refraction profiles 

 gravity (no. of naut. mi.) 

 magnetic (no. of naut. mi.) 

 bathymetry-wide beam 



(no. of naut. mi.) 



Stations or Samples 



3,050 



18 



3.400 



3,400 



3,400 



NOAA Surveys and Data Analysis 



Pacific SEAMAP 



• NOS Surveyor Cruise OPR 421, June to November 1971, 170 days 



• 05700 NEP (na) Elvers, D. J. (NSF IDOE) 157, 158, 159 



• SEAMAP IDOE 



• NSF Grant AG 253, Seabed Assessment 



Caribbean-Atlantic Geotraverse (CAG) 



• AOML Researcher Cruise RP 12 71, September to November 1971, 

 52 days 



• 05620 NA (TC) Peter, G. (NSF IDOE) 41, 42, 43, 79, 80 



• IDOE/CICAR 



• NSF Proposal No. P1X0007, Ocean Basin Geol.-Atl. Caribbean Geo- 

 trav., bottom and mterstital material were sampled for pH and 

 alkalinity 



30 



