Preliminary index to river surveys made by the United States Geological Survey and other agencies
By: by Benjamin E. Jones and Randolph O. Helland.
Contributors: Helland, Randolph O. 1886-
Publisher: Govt. Print. Off.
Published: 1926
Place of publication: Washington
Language: eng
Number of pages: 108
Subjects: Rivers.; Geology -- United States -- Surveys.