Pleistocene record of the Simpson College well

by Tilton, John Littlefield, 1863
Published 1910

A pleistocene section from Des Moines south to Allerton

by Tilton, John Littlefield, 1863
Published 1913

... The Pleistocene history of northeastern Iowa,

by McGee, W. J., 1853-1912, McGee, W. J., 1853-1912
Published 1891

History of the investigations and classifications of the Pleistocene depoits of Iowa,

by Kay, George F (George Frederick), 1873-1943, Kay, George F (George Frederick), 1873-1943
Published 1928

The Pleistocene geology of Iowa,

by Kay, George F (George Frederick), 1873-1943, Kay, George F (George Frederick), 1873-1943, Kay, George F (George Frederick), 1873-1943
Published 1943

... The Pleistocene history of northeastern Iowa,

by McGee, W J, 1853-1912
Published 1891

The Pleistocene geology of northwestern Iowa /

by Carman, J. Ernest (Joel Ernest), 1882, Carman, J. Ernest (Joel Ernest), 1882-, Carman, J. Ernest (Joel Ernest), 1882-1966
Published 1917

The pleistocene deposits in Warren County, Iowa ..

by Tilton, John Littlefield, 1863, Tilton, John Littlefield, 1863-, Tilton, John Littlefield, 1863-, Tilton, John Littlefield, b. 1863
Published 1911

... Some phases of the Pleistocene of Iowa, with special reference to the Peorian interglacial epoch ..

by Cable, Emmett James, 1876-, Cable, Emmett James, 1876-
Published 1921