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Author
Derby, George M.
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Public
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Subject
Nautical charts
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Institution
Minnesota
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Data type
Image
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1 entry found
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1. Chart of Lake Minnetonka, Minnesota
1906. Dunaway, Horace, Derby, George M., U.S. Lake Survey, and United States. Army. Corps of Engineers. Scale 1:20,000. "Reproduced in colors in 1906 by ..." Relief shown by contours and soundings. "Soundings, in feet, are reduced to the plane of the ...