Trap efficiency of a sediment-control pond below a block-cut coal mine in Fayette County, Pennsylvania / by Lloyd A. Reed, Lou Dilissio, and Donald E. Stump, Jr
Physical description for original version: iv, 16 p. : 28 cm
書誌注記
Bibliography: p. 16
原資料等に関する注記
原資料の出版事項: Harrisburg, Pa. ; Denver, Colo. : U.S. Dept. of the Interior, Geological Survey : Open-File Services Section, Western Distribution Branch, 1985