Simple Bouguer gravity map of Minnesota, Brainerd sheet, M-40
Description:
Bouguer gravity anomaly map (anomaly related to different densities of rocks in the upper crust, Bouguer anomaly is a corrected difference between an observed gravity measurement and value predicted from a generalized earth model), shown as contour lines (isolines) of equal value, Brainerd quadrangle, scale 1:250,000.
Creator:
Ervin, C. Patrick, Jackson, J. K. (Jeffrey K.), and McGinnis, Lyle D. (Lyle David), 1931-2017
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