New Methods of Elevation Control Speed Reconnaissance Gravity Surveys in Northern Areas

CIM Bulletin1960
Under certain conditions useful gravity information of a reconnaissance nature can be obtained without measuring elevations by spirit level surveys on the ground. Gravity surveys can become part of a practical exploration program where high cost and slow progress previously hindered their utility.
Keywords: altimeter, Gravity Meter Survey, photogrammetric, spirit level, square mile, Control, Controls, Cost, Costs, Gravity, Gravity survey, Gravity surveys, Survey, Surveys
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