Based on work done in cooperation with the Glen Alden Coal Company.Includes bibliographical references.Mode of access: Internet
At head of title: United States Department of the Interior, J.A. Krug, Secretary; Bureau of Mines, J...
"March 1950."Includes bibliographical references (p. 52).Mode of access: Internet
Reprinted from Transactions of the American institute of mining and metallurgical engineers, v. 14.c...
"April 1968"--Cover.Performed in cooperation with the Glen Alden Coal Corp. (now Blue Coal Corp.).Bi...
Work done under cooperative agreement with the Northern Pacific Railway Company.Bibliographical refe...
Appendices: A. Mine laws.--B. A glossary of mining terms.--C. Production and distribution of anthrac...
Advertising matter, p. 97-124.Includes bibliographical references (p. 94-96) and index.Mode of acces...
Based upon work done in cooperation with the Glen Alden Coal Company.Bibliography: p. 12.Mode of acc...
"Awarded the David A. Wells prize for the year 1913-14, and published from the income of the David A...
"Published June, 1923, revised edition printed 1924.""Selected anthracite bibliography": p. [163]-16...
At head of title: Before the United States Anthracite Coal Commission.Mode of access: Internet
Based upon work done under a cooperative agreement between the Bureau of Mines and the Raven Run Coa...
Based upon work done in cooperation with the Raven Run Coal Co.Bibliography: p. 25.Mode of access: I...
Work done on behalf of the Division of Raw Materials, U.S. Atomic Energy Commission.Includes bibliog...
Prepared for Bureau of Mines Improving Extraction Technology Program.Includes bibliographical refere...
At head of title: United States Department of the Interior, J.A. Krug, Secretary; Bureau of Mines, J...
"March 1950."Includes bibliographical references (p. 52).Mode of access: Internet
Reprinted from Transactions of the American institute of mining and metallurgical engineers, v. 14.c...
"April 1968"--Cover.Performed in cooperation with the Glen Alden Coal Corp. (now Blue Coal Corp.).Bi...
Work done under cooperative agreement with the Northern Pacific Railway Company.Bibliographical refe...
Appendices: A. Mine laws.--B. A glossary of mining terms.--C. Production and distribution of anthrac...
Advertising matter, p. 97-124.Includes bibliographical references (p. 94-96) and index.Mode of acces...
Based upon work done in cooperation with the Glen Alden Coal Company.Bibliography: p. 12.Mode of acc...
"Awarded the David A. Wells prize for the year 1913-14, and published from the income of the David A...
"Published June, 1923, revised edition printed 1924.""Selected anthracite bibliography": p. [163]-16...
At head of title: Before the United States Anthracite Coal Commission.Mode of access: Internet
Based upon work done under a cooperative agreement between the Bureau of Mines and the Raven Run Coa...
Based upon work done in cooperation with the Raven Run Coal Co.Bibliography: p. 25.Mode of access: I...
Work done on behalf of the Division of Raw Materials, U.S. Atomic Energy Commission.Includes bibliog...
Prepared for Bureau of Mines Improving Extraction Technology Program.Includes bibliographical refere...
At head of title: United States Department of the Interior, J.A. Krug, Secretary; Bureau of Mines, J...
"March 1950."Includes bibliographical references (p. 52).Mode of access: Internet
Reprinted from Transactions of the American institute of mining and metallurgical engineers, v. 14.c...