Abstract

Abstract : Gravity observations were made with the LaCoste Romberg underwater gravity meter during July and August 1962 at 149 stations in an area 10 by 40 miles (44 degrees 10' to 44 degrees 50'N latitude and 124 degrees 07' to 124 degrees 20'W longi tude) off the north-central Oregon coast from Heceta Head to Depoe Bay. The primary purpose of this gravity survey was to establish a calibration range for a surface-ship gravity meter. Reoccupation of selected stations indi cate, with about a 90 percent degree of confi dence, that the contour lines on the surface gravity map are accurate to 1.0 mgal. (Author)

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