Resource Type
Collection
Serial/Series Title
Farmers' bulletin (United States. Dept. of Agriculture)
6
Series B--Descriptive geology
3
United States Geological Survey Reports
3
60th Congress
2
Senate document (United States. Congress. Senate)
2
57th Congress
1
Experiment Station Work
1
Geological Survey bulletin
1
Geological Survey professional paper
1
Series D--Petrography and mineralogy
1
2 More
Counties
Language
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