Preservative treatment of fence posts and farm timbers.
Blew, Oscar J.
Preservative treatment of fence posts and farm timbers. - 1952. - s. 33 : il. ; 24 cm. - Farmers' Bulletin. U.S. Department of Agriculture No. 2049 .
Preservative treatment of fence posts and farm timbers. - 1952. - s. 33 : il. ; 24 cm. - Farmers' Bulletin. U.S. Department of Agriculture No. 2049 .