Mineral production in Illinois in 1959 /
W.L. Busch.
APA Citation
Busch, W. L. (1960). Mineral production in Illinois in 1959. Urbana: Illinois State Geological Survey.
MLA Citation
Busch, Willis L. Mineral Production In Illinois In 1959. Urbana: Illinois State Geological Survey, 1960.
Warning: These citations may not always be complete (especially for serials).