Geological survey research 1974 :a summary of recent significant scientific and economic results accompanied by a list of geologic and hydrologic investigation in progress and a report on the status of topographic mapping : [United States Department of the Interior, Geologic Survey].

SeriesGeological Survey professional paper ; 900
Geological Survey professional paper 900. ^A16492
Local noteJoyner-FOR JOYNER LIBRARY HOLDINGS OF THE SERIES, GEOLOGICAL SURVEY PROFESSIONAL PAPER, SEARCH BY CALL NUMBER QE75 .P9.
LCCN 68046150