Emmons, S. F. & Eldridge G. H.; Anthracite-Crested Butte Folio, Colorado. Geologic Atlas Folio #9. Washington D. C., U.S. Geological Survey, 1894.

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USGS Folio 9-E
5.00 LBS
$15.00 (Fixed Shipping Cost)
Product Description
Emmons, S. F. & Eldridge G. H.; Anthracite-Crested Butte Folio, Colorado. Geologic Atlas Folio #9. Washington D. C., U.S. Geological Survey, 1894. Large folio (18 x 21 inches), pp. 10 (with explanatory text on inside of covers), 2 tinted topographic maps, 6 colored geologic and economic geology maps, 1 columnar section sheet.
The atlas in in the original tan title wraps with black cloth spine. The binding is tight, light toning to the margins of cover, Kittery Maine, library stamp on upper outer edge of cover, old tape mark on one part of spine edge. Text and all maps exceptionally clean. In 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. 
The authors discuss the topography, geologic history, geology, stratigraphy, structural geology of the region. They then discuss the economic geology and mineral deposits of the area. 
The folio will be shipped lightly rolled in shipping wrap in either a USPS or Fed Ex shipping tube.