Add to ORKG"August 1992."Prepared by the National Mine Land Reclamation Center, Eastern region, the Pennsylvania State University, under U.S. Bureau of Mines Contract no. CO388026."MLR9203".Cover title.Includes bibliographical references (p. 30-35).Mode of access: Internet
Wetlands and streams provide many ecosystem services, yet many of these services have been lost duri...
"February 1968"--Cover.Includes bibliographical references.Mode of access: Internet
"Project 16080 DYJ (formerly WPD 95-04); program element 1BB045."Report prepared by The Pennsylvania...
"FWS/OBS-81/38.""September 1981.""Conducted in cooperation with International Minerals and Chemical ...
Updates and supersedes the Office of Surface Mining's 10-year progress report published in 1987 unde...
"April 1984."Distributed to depository libraries in microfiche."Coop. Fish and Wildl. Res. Unit, Uni...
"IAG no. D6-E762, SEA/CR no. 684-15-1."Dec. 1979."Science and Education Administration, Cooperative ...
Contract no. 68-03-2677.""April 1980.""Resource Extraction and Handling Division, Industrial Environ...
Includes index."June 1999"--P. [2] of cover."This bibliography represents an update of "Annotated bi...
In many mining regions of the world, pollution of surface water and groundwater by drainage water or...
122 stranThis thesis deals with geochemical processes and their use for the treatment of acidic mine...
U.S. Bureau of Mines contracts J0166054 and J0166055.Prepared in cooperation with U.S. Bureau of Min...
Proceedings of a conference sponsored by the American Society for Surface Mining and Reclamation, Bu...
This thesis gives a structural description of wetlands and some processes that are vital for the t...
At head of title: U.S. Department of the Interior, Office of the Secretary.Xerox copy; Springfield, ...
Wetlands and streams provide many ecosystem services, yet many of these services have been lost duri...
"February 1968"--Cover.Includes bibliographical references.Mode of access: Internet
"Project 16080 DYJ (formerly WPD 95-04); program element 1BB045."Report prepared by The Pennsylvania...
"FWS/OBS-81/38.""September 1981.""Conducted in cooperation with International Minerals and Chemical ...
Updates and supersedes the Office of Surface Mining's 10-year progress report published in 1987 unde...
"April 1984."Distributed to depository libraries in microfiche."Coop. Fish and Wildl. Res. Unit, Uni...
"IAG no. D6-E762, SEA/CR no. 684-15-1."Dec. 1979."Science and Education Administration, Cooperative ...
Contract no. 68-03-2677.""April 1980.""Resource Extraction and Handling Division, Industrial Environ...
Includes index."June 1999"--P. [2] of cover."This bibliography represents an update of "Annotated bi...
In many mining regions of the world, pollution of surface water and groundwater by drainage water or...
122 stranThis thesis deals with geochemical processes and their use for the treatment of acidic mine...
U.S. Bureau of Mines contracts J0166054 and J0166055.Prepared in cooperation with U.S. Bureau of Min...
Proceedings of a conference sponsored by the American Society for Surface Mining and Reclamation, Bu...
This thesis gives a structural description of wetlands and some processes that are vital for the t...
At head of title: U.S. Department of the Interior, Office of the Secretary.Xerox copy; Springfield, ...
Wetlands and streams provide many ecosystem services, yet many of these services have been lost duri...
"February 1968"--Cover.Includes bibliographical references.Mode of access: Internet
"Project 16080 DYJ (formerly WPD 95-04); program element 1BB045."Report prepared by The Pennsylvania...