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Potentiometric surface of the Aquia aquifer in southern Maryland during the fall of 1987 / Frederick K. Mack [and three others].

Corporate Author
Geological Survey (U.S.)
Published
Towson, Maryland : Department of the Interior, U.S. Geological Survey, 1989.
Physical Description
1 online resource (1 map).
Additional Creators
Mack, Frederick K., Maryland Geological Survey, and Maryland Power Plant Research Program
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Series
Restrictions on Access
Free-to-read Unrestricted online access
Report Numbers
I 19.42/4:89-4012
Subject(s)
Genre(s)
Cartographic Mathematical Data
Scale approximately 1:640,000 (W 77°00ʹ--W 76°00ʹ/N 39°10ʹ--N 38°00ʹ).
Note
Relief shown by contours and spot heights.
"Prepared in cooperation with Maryland Geological Survey and Maryland Power Plant Research Program."
Action Note
committed to retain. Federal Depository Library Program (FDLP). For information on our retention commitment, please contact Microforms and Government Information.
View MARC record | catkey: 31184247