1979 summary of coal resources in Colorado. 24 pages. Digital PDF download. SP-13D
This 1979 summary is an extensive revision and up-date of the CGS SP-09. Expanded areas include: coal rank, coking coal, production, and the inclusion of stratigraphic columns for each coal region and field. Other new items include sections on transportation, state coal lands, state and county taxation of coal, federal coal lands, and import export data.
This coal summary includes descriptive material concerning the geology of the coal fields and regions, together with analysis of the various coal seams or groups of coal seams. This report preceded more detailed analysis of historical data, geology of coal fields and regions, and of the total coal resources of the state (SP-23, SP-24, SP-36 and SP-41).