Scope and Content From the Series:

Series II. Unscanned rolls and documents, 1883-1997, contains 464 boxes, totaling approximately 360 cu. ft. Most rolls are mining and topographical maps, mechanical and architectural drawings, and photographs that have not been scanned. Some rolls may be duplicates, very similar to, or of the same mine/area as scanned maps in Series I and are noted when possible by identifying the CON digital file number (e.g. "similar to CON2501" or "see also CON153").

Scope and Content Series I. Scanned rolls, 1891-1992, contain 3475 maps in 261 boxes, totalling approximately 135 cu. ft. Most of these rolls are mining or mine survey maps, and when possible, the maps are identified with title, company, coalbed, mine name, county, state, USGS quadrangle, dates, and notes. Related scanned rolls are identified by CON number, and some related items are unscanned and identified in Series II. The items in this series have been scanned, and their digital file ids are the CON#...