APA (7th ed.) Citation

Edgertgon, C. D. (1974). The mine map repository: A source of mine data. U.S. Dept. of the Interior, Bureau of Mines.

Chicago Style (17th ed.) Citation

Edgertgon, Curtis D. The Mine Map Repository: A Source of Mine Data. [Washington]: U.S. Dept. of the Interior, Bureau of Mines, 1974.

MLA (9th ed.) Citation

Edgertgon, Curtis D. The Mine Map Repository: A Source of Mine Data. U.S. Dept. of the Interior, Bureau of Mines, 1974.