Simple Bouguer gravity map of Minnesota, Two Harbors sheet, M-9
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, Two Harbors quadrangle, scale 1:250,000.
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