Handbook for field geologists in U.S. Geological Survey
Contributors: Hayes, C. Willard; Geological Survey (U.S.)
Publisher: U.S. G.P.O.
Published: 1908
Place of publication: Washington, D.C
Format: Microform
Subjects: Geologists.; Geology -- Field work -- Handbooks, manuals, etc.
Genres: Handbooks, manuals, etc.