Blaisdell, Fred W., 1911-1998.
Washington, D.C. : Agricultural Research Service in cooperation with the Minnesota Agricultural Experiment Station, and the Saint Anthony Falls Hydraulic Laboratory, U.S. Dept. of Agriculture, 1959.
1959
Blaisdell, Fred W., 1911-1998.
Washington, D.C. : Agricultural Research Service in cooperation with the Minnesota Agricultural Experiment Station, and the Saint Anthony Falls Hydraulic Laboratory, U.S. Dept. of Agriculture, 1959.
1959