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You searched for: Publisher U.S. Geological Survey Remove constraint Publisher: U.S. Geological Survey
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2.

Gary and vicinity, Indiana indiana

1963. Relief shown by contours and spot heights. Depths by contours and soundings.; Contour interval 5 and 10 feet.; Red tint indicates areas in which on...

3.

Geologic Map of Pigeon Point, Minnesota minnesota

1910. Bayley, William Shirley, A. Hoen & Co., and U.S. Lake Survey. Scale 1:22500. "By W.S. Bayley, 1890." Relief shown by contours. Includes 2 cross section insets and legend of rock types. "Monograph LII Plate XII...