8 pages matching geophone spread in this book
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PROGRAMME AND SELECTION OF TRAVERSES
REDUCTION AND ACCURACY OF RESULTS
5 other sections not shown
altitude anomaly values Antarctica Azimuth Island B2 anomalies blue ice Bouguer Anomaly Bureau of Mineral buried range Casey Range contours corrections crevassed crustal thickness David Range density depth of shot drift rate filter Framnes Mountains free-air anomalies ft ft ft/s geophone spread Geophysics glaciological gravity meter Gravity readings gravity stations Henderson-Casey traverse hole ice sheet Ice Station Latitude ice thickness measurements intervals isostatic Latitude Longitude Elevation loops low-velocity layer Mac.Robertson Land maximum velocity method mgal microbarometers miles south Mineral Resources Mount Henderson nearest geophone North Masson Range Norwegian-British-Swedish Antarctic Expedition Number Nunatak offset possible maximum error Prince Charles Mountains programme records refraction shooting Rock Ice Station rock surface elevation second regional traverse seismic cab seismic equipment seismic reflection seismic stations seismic velocity Shooting boxes shot-hole Shot-point 25 shot-to-geophone distance shown in Plate snow south of Mawson southern Prince Charles standard error tractors variations velocity distribution Weasel