Hydrographical basin of the upper Mississippi River from astronomical and baronmetrical observations, surveys, and information /
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| Format: | Map |
| Language: | English |
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[Washington] : [Washington] :
Published by order of the U.S. Senate, U.S. Army, Corps of Engineers,
1843. [1975]
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| Item Description: | Facsimile. "Printed from an original copy, 1970." Relief shown by hachures. "Mountains engraved by E. F. Woodward, Phila." "C-3 J.N. Nicollet a French scientist, a Lieutenant in the Topographic Engineers, conducted the survey of the upper Mississippi River to its true source, Lake Itasca." "Reduced and compiled under the direction of Col. J. J. Abert in the Bureau of the Corps of Topl. Engrs. by Lieut. W. H. Emory from the map published in 1842 and from other authorities in 1843. W. J. Stone, sc." Cartographic material. |
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| Physical Description: | map ; 86 x 72 cm. |