Smith, D. Investigations in erosion control and reclamation of eroded Shelby and related soils at the conservation experiment station, Bethany, Mo., 1930-42. Washington: 1945 176 p. : ill., 1 k.
Smith, D. Investigations in erosion control and reclamation of eroded Shelby and related soils at the conservation experiment station, Bethany, Mo., 1930-42. Washington: 1945 176 p. : ill., 1 k.
Smith, D. (1945) Investigations in erosion control and reclamation of eroded Shelby and related soils at the conservation experiment station, Bethany, Mo., 1930-42, Washington: 176 p. : ill., 1 k.
Smith, D. (1945). Investigations in erosion control and reclamation of eroded Shelby and related soils at the conservation experiment station, Bethany, Mo., 1930-42. Washington: 176 p. : ill., 1 k.
Smith D. Investigations in erosion control and reclamation of eroded Shelby and related soils at the conservation experiment station, Bethany, Mo., 1930-42. Washington: 1945. p. 176 p. : ill., 1 k.
