Bibliography of Minnesota mining and geology /
by Winifred Gregory.
APA Citation
Gerould, W. Gregory. (1915). Bibliography of Minnesota mining and geology. Minneapolis: University of Minnesota.
MLA Citation
Gerould, Winifred Gregory, 1885-. Bibliography of Minnesota Mining And Geology. Minneapolis: University of Minnesota, 1915.
Warning: These citations may not always be complete (especially for serials).