Colorado mining laws with safety and health rules and regulations.
APA Citation
Colorado., Colorado. Bureau of Mines. (1971). Colorado mining laws with safety and health rules and regulations. Denver: Colorado Bureau of Mines.
MLA Citation
Colorado, and Colorado. Bureau of Mines. Colorado Mining Laws With Safety And Health Rules And Regulations. Denver: Colorado Bureau of Mines, 1971.
Warning: These citations may not always be complete (especially for serials).