Emmons, Samuel Franklin; Tenmile District Special Folio, Colorado. Geologic Atlas Folio #48. Washington D. C., U.S. Geological Survey, 1898. Large folio (18 x 21 inches), pp.6, (with explanatory text on inside of covers), 1 tinted topographic map, 1 colored geological map, 1 colored economic geology maps, 2 colored structural sections maps.
The folio is complete and in the original tan title wraps with a black cloth spine. Binding it tight a clean with light toning to outer cover margins, library stamp of Kittery Maine on upper inner cover corner. The text and maps are clean and bright. Very good condition.
Between 1894 and 1945 the USGS issued 227 folios covering various areas of the United States. The text pages of a folio covered the geology, historical geology, stratigraphy and if present the mineral and mining industry.
Emmons discusses the geography, geology, stratigraphy and structure, the origins of the ore bodies and the various mines in this famous mining district.
The folio will be shipped lightly rolled in shipping wrap in either a USPS or Fed Ex shipping tube.