Add to ORKG"Commonwealth of Pennsylvania Department of Health. Industrial fellowship no. 326B-6."Mode of access: Internet
On cover: Special report.Bibliography: p. 50-82 (3d group)Mode of access: Internet
At head of title: Ministry of Finance, Egypt. Mines and Quarries Department.Bibliography: p. 47-49.M...
"A publication of the Institute of Local Government, the Pennsylvania State College."Mode of access:...
Mode of access: Internet.Continues: Pennsylvania Inspectors of Mines. Reports of the Inspectors of C...
Part V of the report of the Department of Internal Affairs.Mode of access: Internet
"These pages were prepared for an acid mine drainage technology transfer meeting held in Pittsburgh,...
Mode of access: Internet.Continued by: Pennsylvania. Inspectors of Coal Mines. Reports of the Inspec...
At head of title: United States Department of the Interior, J.A. Krug, Secretary; Bureau of Mines, J...
"October 1998.""7100 Engineering.""7E72G71--Acid Mine Drainage Study."Mode of access: Internet
"With a summary of coal production, etc., prepared by the Bureau of Industrial Statistics, Departmen...
At head of title: U.S. Department of the Interior, Office of the Secretary.Xerox copy; Springfield, ...
Mode of access: Internet.MAIN; HC107.P4.A6: T-1:1916-19-1929-30 (9 v.) T-2:1931-50 (9v.
Prepared under contract 14-12-97."14010 EXA 03/71."Bibliography: p. 65.Mode of access: Internet
"Report of Subcommittee on Mine Hygiene and Sanitation, Mining Section, National Safety Council. Det...
"Annual health report of the Federal coal mine health and safety act."Mode of access: Internet
On cover: Special report.Bibliography: p. 50-82 (3d group)Mode of access: Internet
At head of title: Ministry of Finance, Egypt. Mines and Quarries Department.Bibliography: p. 47-49.M...
"A publication of the Institute of Local Government, the Pennsylvania State College."Mode of access:...
Mode of access: Internet.Continues: Pennsylvania Inspectors of Mines. Reports of the Inspectors of C...
Part V of the report of the Department of Internal Affairs.Mode of access: Internet
"These pages were prepared for an acid mine drainage technology transfer meeting held in Pittsburgh,...
Mode of access: Internet.Continued by: Pennsylvania. Inspectors of Coal Mines. Reports of the Inspec...
At head of title: United States Department of the Interior, J.A. Krug, Secretary; Bureau of Mines, J...
"October 1998.""7100 Engineering.""7E72G71--Acid Mine Drainage Study."Mode of access: Internet
"With a summary of coal production, etc., prepared by the Bureau of Industrial Statistics, Departmen...
At head of title: U.S. Department of the Interior, Office of the Secretary.Xerox copy; Springfield, ...
Mode of access: Internet.MAIN; HC107.P4.A6: T-1:1916-19-1929-30 (9 v.) T-2:1931-50 (9v.
Prepared under contract 14-12-97."14010 EXA 03/71."Bibliography: p. 65.Mode of access: Internet
"Report of Subcommittee on Mine Hygiene and Sanitation, Mining Section, National Safety Council. Det...
"Annual health report of the Federal coal mine health and safety act."Mode of access: Internet
On cover: Special report.Bibliography: p. 50-82 (3d group)Mode of access: Internet
At head of title: Ministry of Finance, Egypt. Mines and Quarries Department.Bibliography: p. 47-49.M...
"A publication of the Institute of Local Government, the Pennsylvania State College."Mode of access:...