U.S. Geological Survey ground-water studies in Maryland
By: [Barbara J. Ryan]
Contributors: Geological Survey (U.S.)
Series: Water fact sheet; Open-file report -- 88-133; U.S. Geological Survey open-file report -- 88-133
Publisher: U.S. Geological Survey, Dept. of the Interior
Published: 1988
Place of publication: [Reston, Va.?]
Language: eng
Format: Microform
Subjects: Groundwater -- Maryland -- Quality; Groundwater -- Pollution -- Maryland
Other titles: US Geological Survey ground water studies in Maryland
Notes: Distributed to depository libraries in microfiche

Bibliography: p. [2]

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1988?]. 1 microfiche ; 11 x 15 cm