U.S. Geological Survey Open-File Report 02-002
Geological Framework Data from Long Island Sound, 1981-1990:
A Digital Data Release
PHOTOGRAPHIC GALLERY: Geophysical Operations
From left to right, aboard the RV ASTERIAS: reel-to-reel, 8-track tape recorder for recording seismic data; "Silent 700" recorder and hard-copy printer terminal for navigation data; USGS cruise operations manual (blue folder); Loran-C display box; and (lower right) manual trigger for marking records.