Geological Survey (U.S.) & Herb, W. J. (1983). Hydrology of area 2, Eastern Coal Province, Pennsylvania and New York. U.S. Dept. of the Interior, Geological Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.) and William J. Herb. Hydrology of Area 2, Eastern Coal Province, Pennsylvania and New York. Harrisburg, Pa.: U.S. Dept. of the Interior, Geological Survey, 1983.
MLA (9th ed.) CitationGeological Survey (U.S.) and William J. Herb. Hydrology of Area 2, Eastern Coal Province, Pennsylvania and New York. U.S. Dept. of the Interior, Geological Survey, 1983.
Warning: These citations may not always be 100% accurate.