Cite
MLA (8th Edition)
Altitude and Configuration of the Water-Level Surface In Lower Paleozoic and Precambrian Crystalline Rocks In the Red Clay Creek Basin, Chester County, Pennsylvania, and New Castle County, Delaware, June through October 1989 and March 1990. United States Department of the Interior, U.S. Geological Survey, 1991.
APA (7th Edition)
Altitude and configuration of the water-level surface in lower Paleozoic and Precambrian crystalline rocks in the Red Clay Creek Basin, Chester County, Pennsylvania, and New Castle County, Delaware, June through October 1989 and March 1990. (1991). United States Department of the Interior, U.S. Geological Survey.
Chicago (17th Edition)
“Altitude and Configuration of the Water-Level Surface in Lower Paleozoic and Precambrian Crystalline Rocks in the Red Clay Creek Basin, Chester County, Pennsylvania, and New Castle County, Delaware, June through October 1989 and March 1990.” Harrisburg, Pennsylvania: United States Department of the Interior, U.S. Geological Survey, 1991.