Mineral production in Illinois in 1960 /
W.L. Busch.
APA Citation
Busch, W. L., Illinois State Geological Survey. (1962). Mineral production in Illinois in 1960. Urbana: Illinois State Geological Survey.
MLA Citation
Busch, Willis L, and Illinois State Geological Survey. Mineral Production In Illinois In 1960. Urbana: Illinois State Geological Survey, 1962.
Warning: These citations may not always be complete (especially for serials).