Mineral resource research and activities of the State Geological Survey, 1952-1953
Contributors: Illinois. Board of Natural Resources and Conservation
Series: Illinois State Geological Survey. Circular -- no. 186; Circular (Illinois State Geological Survey) -- no. 186.; Circular (Illinois State Geological Survey) -- 186.
Published: 1954
Place of publication: Urbana
Language: eng
Number of pages: 54
Subjects: Mines and mineral resources; Geological surveys
Notes: "Reprinted from the annual report of the Chief to the Director, Dept. of Registration and Education.

Board of Natural Resources and Conservation, p. [51]-54.

Bibliography: p. 48-50.