Cover Image

The difference between the potentiometric surfaces of the Aquia Aquifer, September 1982 and September 1997 in Southern Maryland

Main Author: Curtin, Stephen E.
Other Authors: Andreasen, David C., Mack, Frederick K., Geological Survey (U.S.), Maryland Geological Survey., Maryland. Resource Assessment Administration.
Format: Map Microfilm
Language: English
Published: [Baltimore, Md.] : Denver, Colo. : U.S. Geological Survey ; Branch of Information Services [distributor], [1999]
Physical Description: 1 map : photocopy ; 20 x 17 cm., on sheet 28 x 22 cm.
Also available via Internet from the USGS web site. Address as of 8/13/07: http://pubs.er.usgs.gov/usgspubs/ofr/ofr9981; current access via PURL.
Series: U.S. Geological Survey open-file report ; 99-81.
Subjects:
Online Access: http://purl.access.gpo.gov/GPO/LPS84640