Effects of low-level dams on the distribution of sediment, trace metals, and organic substances in the lower Schuylkill River Basin, Pennsylvania / by Thomas H. Yorke, John K. Stamer, and Gary L. Pederson
(U.S. Geological Survey water-supply paper ; 2256 b)
Physical description for original version: vii, 53 p. : 28 cm
書誌注記
Bibliography: p. 51-52
原資料等に関する注記
原資料の出版事項: [Reston, Va.?] ; Alexandria, Va. : Dept. of the Interior, U.S. Geological Survey : For sale by Distribution Branch, Text Products Section, USGS, 1985