Altitude and configuration of the potentiometric surface in the Triassic sandstones and shales, northern Chester County, Pennsylvania, October 1989 through March 1990
|Main Author:||Geological Survey (U.S.)|
|Other Authors:||McManus, B. Craig., Chester County Water Resources Authority.|
Harrisburg, Pa. :
1 map : photocopy ; sheet 91 x 100 cm, folded in envelope 30 x 23 cm.
Water-resources investigations report ;