APA (7th ed.) Citation

Geological Survey (U.S.) & DeWitt, E. (1988). Map showing locations of mines, prospects, and patented mining claims, and classification of mineral deposits in the Silver City 7 1/2-minute quadrangle, Black Hills, South Dakota. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and Ed DeWitt. Map Showing Locations of Mines, Prospects, and Patented Mining Claims, and Classification of Mineral Deposits in the Silver City 7 1/2-minute Quadrangle, Black Hills, South Dakota. Reston, Va.: The Survey, 1988.

MLA (9th ed.) Citation

Geological Survey (U.S.) and Ed DeWitt. Map Showing Locations of Mines, Prospects, and Patented Mining Claims, and Classification of Mineral Deposits in the Silver City 7 1/2-minute Quadrangle, Black Hills, South Dakota. The Survey, 1988.