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You searched for: Publisher U.S. Geological Survey Remove constraint Publisher: U.S. Geological Survey Subject Geological maps Remove constraint Subject: Geological maps Year 1910 Remove constraint Year: 1910
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1. Geologic Map of Pigeon Point, 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...