Front Matter
Articles
Thirty-Eighth Annual Report of the State Geologist p. 5-14
George F. Kay
Further Studies on the Pleistocene Geology of Northwestern Iowa p. 15-194
J. Ernest Carman
The Dakota Stage of the Type Locality p. 195-332
Allen C. Tester
The Stratigraphy of the Kinderhook Series of Iowa p. 333-452
Lowell Robert Laudon
Natural Molding Sands of Iowa p. 453-488
John E. Smith
On a New Specimen of a Paleoniscid Brain from Iowa p. 489-498
Roy L. Moodie
Mineral Production in Iowa in 1928 and 1929 p. 499-548
James H. Lees