Coal mines of Colorado
Subtitle: statistical data
By: compiled by David C. Jones and D. Keith Murray.
Contributors: Murray, D. Keith, joint author.; Colorado Geological Survey.
Series: Information series - Colorado Geological Survey ; 2; Information series (Colorado Geological Survey) ;; 2.
Publisher: Colorado Geological Survey, Dept. of Natural Resources, State of Colorado
Published: 1976
Place of publication: Denver
Language: eng
Number of pages: 27
Subjects: Coal mines and mining -- Colorado -- Statistics.