Statistical classification of hydrogeologic regions in the fractured rock area of Maryland and parts of the District of Columbia, Virginia, West Virginia, Pennsylvania, and Delaware
By: by Brandon J. Fleming, Andrew E. LaMotte, and Andrew J. Sekellick ; prepared in cooperation with the Maryland Department of the Environment
Contributors: LaMotte, Andrew E., author; Sekellick, Andrew J., author; Geological Survey (U.S.); Maryland. Department of the Environment
Series: Scientific investigations report -- 2013-5043
Publisher: U.S. Department of the Interior, U.S. Geological Survey
Published: 2013
Place of publication: Reston, Virginia
Language: eng
Number of pages: 14
Subjects: Water-supply; Groundwater; Hydrogeological surveys
Notes: Title from title screen (viewed on June 26, 2013).

Includes bibliographical references (pages 12-14).