Books by United States. Department of Agriculture. Office of Blister Rust Control
Total count: 6
Blister rust and white pine demonstration areas(data as of January, 1928), Rhode Island1928-01-01
Blister rust and white pine demonstration areas(data as of January, 1928), Massachusetts1928-01-01
Blister rust and white pine demonstration areas(data as of January, 1928), New Hampshire1928-01-01
Blister rust and white pine demonstration areas(data as of January, 1928), Maine1928-01-01
Blister rust and white pine demonstration areas(data as of January , 1928, revised 1930), New YorkRevised.1930-01-01
Blister rust and white pine demonstration areas(data as of January, 1928, revised August 1930), ConnecticutRevised.1930-01-01