Stream Water Quality in the Coal Region of West Virginia and Maryland Kenneth L. Dyer Published: 1982 Total Pages: 240 Get eBook
Stream Water Quality in the Coal Region of Ohio Kenneth L. Dyer Published: 1982 Total Pages: 684 Get eBook
PH in Streams Draining Small Mined and Unmined Watersheds in the Coal Region of Appalachia Kenneth L. Dyer Published: 1983 Total Pages: 6 Get eBook