A special report to the Legislature upon the causes, kinds, and amount of waste in mining anthracite.
By: By Franklin Platt.  With a chapter on the methods of mining.  By John Price Wetherill.  Illustrated by 35 figures of mining operations; a plan of an anthracite breaker; and a specimen sheet of the work of the Geological survey in the anthracite coal fields.
Contributors: Wetherill, John Price.
Series: Pennsylvania. Geological survey, 2d. Report of progress A2; Report of pregress (Geological Survey of Pennsylvania),; A2.
Publisher: Pub. by the Board of commissioners for the Second geological survey
Published: 1881
Place of publication: Harrisburg
Language: eng
Number of pages: 134
Subjects: Anthracite coal -- Pennsylvania.; Coal mines and mining -- Pennsylvania.