A guide to obtaining information from the USGS, 1978 /

Bibliographic Details

Main Author:	Clarke, Paul F.
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Hodgson, Helen E. , 1945-, North, Gary W.
Format:	Government Document Book
Language:	English
Published:	Reston, Va. : Dept. of the Interior, Geological Survey, 1978.
Series:	Geological Survey circular ; 777.
Subjects:	Geological Survey (U.S.)