Illinois 1963 mineral production by counties /
W.L. Busch.
APA Citation
Busch, W. L., Illinois State Geological Survey. (1965). Illinois 1963 mineral production by counties. Urbana, [Ill.]: Illinois State Geological Survey.
MLA Citation
Busch, Willis L, and Illinois State Geological Survey. Illinois 1963 Mineral Production by Counties. Urbana, [Ill.]: Illinois State Geological Survey, 1965.
Warning: These citations may not always be complete (especially for serials).