Potentiometric surface of the lower Patapsco Aquifer in southern Maryland, September 1997 / by Stephen E. Curtin, David C. Andreasen, and Frederick K. Mack ; U.S. Department of the Interior, U.S. Geological Survey ; prepared in cooperation with Maryland Geological Survey and Resource Assessment Service, Maryland Department of Natural Resources.
| Uniform Title: | U.S. Geological Survey open-file report ;
99-87. |
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| Language: | English |
| Published: |
Baltimore, Md. : Denver, Colo. :
U.S. Geological Survey ; Branch of Information Services [distributor],
[1999]
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| Series: | U.S. Geological Survey open-file report ;
99-87. |
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| Physical Description: | 1 map : photocopy ; 20 x 17 cm, on sheet 28 x 22 cm. |
| Cartographic Data: | Scale approximately 1:710,000 (W 77⁰20ʹ--W 76⁰00ʹ/N 39⁰15ʹ--N 38⁰00ʹ). |
| Format: | Government Document Map |