The influence of mining techniques on size consist and washability characteristics of coal
Subtitle: a report submitted to the Office of Coal Research, United States Department of Interior.
By: [Prepared by Robert Stefanko, R. V. Ramani, and Ish Kuman Chopra.
Contributors: Stefano, Robert, 1926-; Ramani, R. V.; Chopra, Ish Kumar.
Series: U.S. Office of Coal Research. Research and development report no. 61. Interim report no. 8; Research and development report (United States. Office of Coal Research) ;; no. 61.; Research and development report (United States. Office of Coal Research).; no. 8.
Published: 1973
Place of publication: University Park]
Language: eng
Number of pages: 85
Subjects: Coal
Notes: Includes bibliographical references.
"Contract no. 14-01-0001-390."