Colorado mining laws with safety and health rules and regulations.
Contributors: Colorado. Bureau of Mines.
Series: Colorado. Bureau of Mines. Bulletin; 20; Bulletin (Colorado. Bureau of Mines) ;; no. 20.
Publisher: Colorado Bureau of Mines
Published: 1971
Place of publication: Denver
Language: eng
Number of pages: 138
Subjects: Mining law -- Colorado.; Mine safety -- Law and legislation -- Colorado.