Distributed information system
By: [A.W. Harbaugh].
Contributors: Geological Survey (U.S.)
Series: Water fact sheet; Open-file report -- 85-649.; Open-file report (Geological Survey (U.S.)) -- 85-649.
Publisher: U.S. Geological Survey, Dept. of the Interior
Published: 1986
Place of publication: [Reston, Va.?]
Language: eng
Format: Microform
Subjects: Hydrology, Karst.; Hazardous geographic environments.
Notes: Distributed to depository libraries in microfiche.

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1986]. 1 microfiche ; 11 x 15 cm.