U.S. Geological Survey information sources.

Bibliographic Details
Corporate Author: Geological Survey (U.S.)
Format: Government Document Book
Language:English
Published: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [1999]
Series:Fact sheet (Geological Survey (U.S.)) ; FS 99-57.
Subjects:
Description
Item Description:Caption title.
Shipping list number: 99-0191-P.
Physical Description:1 sheet.