Analyses of tipple and delivered samples of coal
collected during the period July 1975 through September 1976 /
by John B. Janus.

APA Citation

Janus, J. B. (1977). Analyses of tipple and delivered samples of coal: collected during the period July 1975 through September 1976. [Washington]: U.S. Dept. of the Interior, Bureau of Mines .

MLA Citation

Janus, John B. Analyses of Tipple And Delivered Samples of Coal: Collected During the Period July 1975 Through September 1976. [Washington]: U.S. Dept. of the Interior, Bureau of Mines , 1977.

Warning: These citations may not always be complete (especially for serials).