| Author |
Fleck, William B
|
| Title |
Simulation of ground-water flow of the coastal plain aquifers in parts of Maryland, Delaware, and the District of Columbia / by William B. Fleck and Don A. Vroblesky |
| Imprint |
Washington : U.S. G.P.O. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by U.S. Geological Survey, Map Distribution, 1996 |
|
