Cover image for Geological survey research 1969.
Title:
Geological survey research 1969.
Author:
Geological Survey (U.S.)
Corporate Author:
Publication Information:
Washington, D.C. : U.S. G.P.O., 1969.
Physical Description:
4 volumes : illustrations, maps ; 29 cm.
General Note:
Published separately as chapters A-D.

"A summary of recent significant scientific and economic results accompanied by a list of publications released in fiscal year 1969, a list of geologic and hydrologic investigations in progress, and a report on the status of topographic mapping."--t.p. 650-A.
Language:
English
Format :
Book