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Author
Trenk, Fred B. (Fred Benjamin), 1900-
Published
Madison : Wisconsin Conservation Dept. and Extension Service, College of Agriculture, University of Wisconsin, 1950.
Online
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
Author
Wilson, F. G. (Fred G.)
Published
Madison, Wis. : Wisconsin Conservation Dept., [1948]
Online
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
Author
Trenk, Fred B. (Fred Benjamin), 1900-
Published
Madison, Wis. : State of Wisconsin Conservation Dept., 1932.
Online
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
Author
Trenk, Fred B. (Fred Benjamin), 1900-
Online
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online