Potentiometric surface of the Brightseat-upper Potomac aquifer in Virginia, 1993 [cartographic material] / by Emily C. Hammond, E. Randolph McFarland, and Michael J. Focazio ; U.S. Department of the Interior, U.S. Geological Survey ; prepared in cooperation with the Virginia Department of Environmental Quality [and others].

Author:: Hammond, Emily C.
Published:: Richmond, VA : The Survey ; Denver, Colo. : Books and Open-file Reports Section, 1994.
Physical Description:: 1 map ; 22 x 17 cm.
Additional Creators:: McFarland, E. Randolph, Focazio, Michael J., Geological Survey (U.S.), and Virginia. Department of Environmental Quality

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Cartographic Mathematical Data:

Scale approximately 1:1,450,000 (W 78⁰00ʹ--W 75⁰15ʹ/N 39⁰00ʹ--N 36⁰32ʹ).

Reproduction Note:

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1995?] 1 microfiche : negative.

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