APA (7th ed.) Citation

Popplewell, T. E. (1932). Mining methods and costs at the Hart Spur pit of the Fort Worth Sand & Gravel Co., Inc., Fort Worth, Tex. U.S. Dept. of Commerce, Bureau of Mines.

Chicago Style (17th ed.) Citation

Popplewell, Thomas E. Mining Methods and Costs At the Hart Spur Pit of the Fort Worth Sand & Gravel Co., Inc., Fort Worth, Tex. Washington, D.C.: U.S. Dept. of Commerce, Bureau of Mines, 1932.

MLA (8th ed.) Citation

Popplewell, Thomas E. Mining Methods and Costs At the Hart Spur Pit of the Fort Worth Sand & Gravel Co., Inc., Fort Worth, Tex. U.S. Dept. of Commerce, Bureau of Mines, 1932.