General & OtherWork on pine blister rust in Minnesota, 1917; in coooperation with the U. S. Bureau of plant industryMinnesota. State entomologist![Work on pine blister rust in Minnesota, 1917; in coooperation with the U. S. Bureau of plant industry]()
Work on pine blister rust in Minnesota, 1917; in coooperation with the U. S. Bureau of plant industry
Minnesota. State entomologist
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“Work on pine blister rust in Minnesota, 1917; in coooperation with the U. S. Bureau of plant industry” by Minnesota. State entomologist: a public-domain…
Catalogue details
- Author
- Minnesota. State entomologist
- Category
- General & Other
- Language
- English
- Source
- HathiTrust