A paper written by L.C. Corrbett, Horticulturist, Bureau of Plant Industry, U.S.Department of Agriculture, published as Farmers’ Bulletin 475, issue date 13 Dec. 1911.

Refrigerated Rail Car Inquiry Unit
A paper written by L.C. Corrbett, Horticulturist, Bureau of Plant Industry, U.S.Department of Agriculture, published as Farmers’ Bulletin 475, issue date 13 Dec. 1911.