Mineral resources conservation teacher's manual
Subtitle: Illinois resource management
By: compiled by Hubert E. Risser [and] Portia A. Smith.
Contributors: Smith, Portia A., joint author.; Illinois. Division of Conservation Education.
Publisher: Division of Conservation Education, Office of the Superintendent of Public Instruction]
Published: 1967
Place of publication: [Springfield
Language: eng
Number of pages: 60
Subjects: Mines and mineral resources -- Illinois.; Natural resources -- Study and teaching.
Other titles: Teaching mineral conservation.; Illinois resource management.
Notes: Cover title: Teaching mineral conservation.