Guide to USGS geologic and hydrologic maps
Contributors: Geological Survey (U.S.)
Publisher: Documents Index
Published: 1983
Place of publication: McLean, Va
Language: eng
Number of pages: 644
Subjects: Geology -- United States -- Maps -- Bibliography; Hydrology -- United States -- Maps -- Bibliography
Genres: Maps
Other titles: USGS geologic and hydrologic maps
Notes: "Supersedes all previous editions of the Guide to U.S. government maps, geologic and hydrologic maps.  It contains ... maps published through December 1981 [and] ... will be kept current by annual, cumulative supplements"--Foreword

Includes indexes