Joseph D. Davis

Coal-Mining Investigations Under Auspices of Carnegie Institute of Technology, United States Bureau of Mines, Advisory Board of Coal-Mine Operators ... by-Products of the Constituents of the Free  Joseph D. Davis Paperback. Forgotten Books, 2015-09-27 ISBN 9781332004782     Effect Of Inerts On Coking Properties Of Pittsburgh Bed Coal: Mining And Metallurgical Investigations, No. 57  Joseph D. Davis Hardcover. Literary Licensing, LLC, 2013-03-09 ISBN 9781258606954     Effect Of Inerts On Coking Properties Of Pittsburgh Bed Coal: Mining And Metallurgical Investigations, No. 57  Joseph D. Davis Paperback. Literary Licensing, LLC, 2013-03-09 ISBN 9781258609801