Resources of Rocky Mountain States and coal development
By: by U.S. Dept. of Agriculture. Natural Resource Economics Division
Series: United States. Dept. of Agriculture. Natural Resource Economics Division. Working Papers series -- no. 49
Publisher: U.S. Dept. of Agriculture.
Published: 1978
Place of publication: Washington, D.C
Language: eng
Number of pages: 117
Subjects: Coal mines and mining
Notes: "For discussion only - working paper."

"April 1978."