Colorado coal analyses, 1975 (analyses of 64 samples collected in 1975)
By: by Donna L. Boreck ... [et al.] ; prepared by the Colorado Geological Survey in cooperation with the United States Geological Survey.
Contributors: Boreck, D. L.; Geological Survey (U.S.)
Series: Information series - Colorado Geological Survey ; 7; Information series (Colorado Geological Survey) ;; 7.
Publisher: Colorado Geological Survey
Published: 1977
Place of publication: Denver
Language: eng
Number of pages: 112
Subjects: Coal -- Colorado.; Coal -- Analysis.