Image: Wcd0313b
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Description: Opening of bituminous coal bed. William Groszenger, the discoverer of the field. He is standing by the Columbus coal field, Columbus. Esmeralda County, Nevada. 1896. Note that there is a similar picture in Spurr, "Ore Deposits of the Silver Peak Quadrangle, Nevada", v. 55 USGS, at https://books.google.com/books?id=krfmAAAAMAAJ&pg=PA164. Groszenger's name is also spelled Groezinger in other sources
Title: Wcd0313b
Credit: https://library.usgs.gov/photo/#/item/51ddca42e4b0f72b44721437
Author: USGS
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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