Pebble-phosphate mine accident experience /
by Frank E. Cash and Claud P. Dempsey.
APA Citation
Cash, F. E., Dempsey, C. P. (1937). Pebble-phosphate mine accident experience. [Washington, D.C.]: U.S. Dept. of the Interior, Bureau of Mines.
MLA Citation
Cash, Frank E, and Claud P Dempsey. Pebble-phosphate Mine Accident Experience. [Washington, D.C.]: U.S. Dept. of the Interior, Bureau of Mines, 1937.
Warning: These citations may not always be complete (especially for serials).