This book contains 63 papers on various mining-related topics which, in addition to the C.H. Hitchcock paper describing the geology of the entire United States, include significant papers and maps on the geology and vein structure of southwest Colorado (San Juan Mountain region) by Theodore Comstock, and the silver mines of Calico, California, by Waldemar Lindgren. Complete with several folding plates including Sketch Map of the Clifton Mining District, Arizona; design plans for a "Sectional hanging Pipe Hot Blast Oven"; Orographic Features of Southern Colorado, Showing Boundaries of Mineral Zones; Geological Map of S.W. Colorado; Map of the Central San Juan Area, with the Red Mountain District and the Rico Tract"; Map of the Oil & Gas Fields in McKean & Elk Counties, Pennsylvania; Sketch Map of Calico District, San Bernardino, Cal. and a few others. All folding maps are printed on fine banknote style paper. Hardbound in original quarter leather and tips over marbled boards with gilt title and raised bands on spine.

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Condition: A

The large Hitchcock map is near fine with a short binding tear confined to the left blank margin. Most of the other plates appear to have never been opened. Internally clean and bright with an old library bookplate on the inside front cover. Covers and spine show moderate wear.