U.S. Geological Survey programs in Maryland and the District of Columbia.
Contributors: Geological Survey (U.S.)
Series: U.S. Geological Survey fact sheet -- FS-020-96; Fact sheet (Geological Survey (U.S.)) -- FS-96-020.
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey
Published: 1997
Place of publication: [Reston, Va.?]
Language: eng
Subjects: Geological surveys -- Maryland.; Geological surveys -- Washington (D.C.).; Hydrogeological surveys -- Maryland.; Hydrogeological surveys -- Washington (D.C.).; Acid rain -- Maryland.; Acid rain -- Washington (D.C.).
Other titles: US Geological Survey programs in Maryland and the District of Columbia
Notes: Caption title.

Shipping list no.: 98-0004-P.