Cover Image

Standard symbols : adopted by the Board of Surveys and Maps United States of America.

Bibliographic Details
Corporate Authors: United States. Federal Board of Surveys and Maps, Geological Survey (U.S.)
Format: Book
Language:English
Published: [Washington, D.C.] : U.S. Geological Survey, 1932.
Edition:Ed. of 1932.
Subjects:
Maps > Symbols.
Topographical drawing > Conventional signs.
Description
Physical Description:1 chart : color ; on sheet 56 x 84 cm.