1896. Gannett, Henry, 1846-1914 and Geological Survey (U.S.). 1 map : col. ; 47 x 70 cm Shows state boundaries, principal cities, and water features. "U.S. Geological Survey. J. W. Powell, Director." "Engraved...
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1884. Gannett, Henry, 1846-1914, Julius Bien & Co., lithographer., King, Harry, (Harold G. R.), draftsman., and McGee, W J, 1853-1912. 1 map ; 53 x 81 cm Shading indicates age of rock. "Fifth annual report plate II".
1899. Gannett, Henry, 1846-1914 and Powell, John Wesley, 1834-1902. 1 map ; 53 x 81 cm Relief shown by hypsometric tints and contours.