Cite
MLA (8th Edition)
Altitude and Configuration of the Potentiometric Surface In the Triassic Sandstones and Shales, Northern Chester County, Pennsylvania, October 1989 through March 1990. Department of the Interior, U.S. Geological Survey, 1990.
APA (7th Edition)
Altitude and configuration of the potentiometric surface in the Triassic sandstones and shales, northern Chester County, Pennsylvania, October 1989 through March 1990. (1990). Department of the Interior, U.S. Geological Survey.
Chicago (17th Edition)
“Altitude and Configuration of the Potentiometric Surface in the Triassic Sandstones and Shales, Northern Chester County, Pennsylvania, October 1989 through March 1990.” Harrisburg, Pennsylvania: Department of the Interior, U.S. Geological Survey, 1990.