Preparation characteristics of Pennsylvania anthracite from the Kidney Seam, northern field /
by J.E. Zeilinger and A.W. Deurbrouck.

APA Citation

Zeilinger, J. E., Deurbrouck, A. W., United States. Bureau of Mines. (1970). Preparation characteristics of Pennsylvania anthracite from the Kidney Seam, northern field. [Washington, D.C.]: U.S. Dept. of Interior, Bureau of Mines.

MLA Citation

Zeilinger, John E, A. W Deurbrouck, and United States. Bureau of Mines. Preparation Characteristics of Pennsylvania Anthracite From the Kidney Seam, Northern Field. [Washington, D.C.]: U.S. Dept. of Interior, Bureau of Mines, 1970.