Stream Quality in Appalachia as Related to Coal-mine Drainage, 1965 James E. Biesecker Published: 1966 Total Pages: 36 Get eBook
Study of Strip and Surface Mining in Appalachia United States. Department of the Interior Published: 1966 Total Pages: 110 Get eBook
Gravimetric Effects of Petroleum Accumulations Bruce Bryant Published: 1949 Total Pages: 424 Get eBook
Effects of Coal-mine Discharges on the Quality of the Stonycreek River and Its Tributaries, Somerset and Cambria Counties, Pennsylvania Donald R. Williams Published: 1996 Total Pages: 102 Get eBook
Sources of Assistance in Reclaiming Surface-mined Lands for Outdoor Recreation United States. Bureau of Outdoor Recreation Published: 1973 Total Pages: 80 Get eBook
