Spring Wheat in the Great Plains Area

Relation of Cultural Methods to Production

by A. F. Burgess, Alexander Wetmore, Andrew Lincoln Winton, Charles Orrin Townsend, David Griffiths, Edward Owen Guerrant Kelly, Ellery Channing Chilcott, Elmer Ottis Wooton, Eugene Merritt, F. R. Marshall, George Anton Nahstoll, George Bishop Sudworth, George Charles Husmann, James Robert Weir, Mary Engle Pennington, Raphael Zon, Robert Lee Nixon, Samuel Henry Ayers, Silas Cheever Mason, United States. Bureau of Public Roads, Waldo Lee McAtee, George Leslie Bidwell, John Selden Cole, Lewis Lincoln Heller, Minnie Kimball Jenkins, Wallace C. Burnet, William Horace Kerr, William Trimble Johnson, Charles Edward Goodrich, John H. Bornmann, William Wesley Burr, William Alonzo Stocking · 1915