Geological Survey (U.S.), Chester County Water Resources Authority, & McManus, B. C. (1990). Altitude and configuration of the potentiometric surface in the Triassic sandstones and shales, northern Chester County, Pennsylvania, October 1989 through March 1990. The Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.), Chester County Water Resources Authority, and B. Craig McManus. Altitude and Configuration of the Potentiometric Surface in the Triassic Sandstones and Shales, Northern Chester County, Pennsylvania, October 1989 Through March 1990. Harrisburg, Pa.: The Survey, 1990.
MLA (9th ed.) CitationGeological Survey (U.S.), et al. Altitude and Configuration of the Potentiometric Surface in the Triassic Sandstones and Shales, Northern Chester County, Pennsylvania, October 1989 Through March 1990. The Survey, 1990.