TY - BOOK TI - CONTROL OF GRASSHOPPERS IN THE PRAIRIE PROVINCES UR - https://www.biodiversitylibrary.org/item/120708 AU - Canada. Division of Entomology. AU - HANDFORD, R.H. AU - PUTNAM, L.G. KW - Control KW - Grasshoppers KW - Pests KW - Prairie Provinces ER -