Front Matter
Articles
Administrative Reports p. 1-16
Frank A. Wilder and T. E. Savage
Mineral Production in Iowa in 1905 p. 17-36
S. W. Beyer
Geology of Winneshiek County p. 37-146
Samuel Calvin
The Plants of Winneshiek County p. 147-212
B. Shimek
Geology of Clayton County p. 213-318
A. C. Leonard
Geology of Bremer County p. 319-406
William Harmon Norton
Geology of Black Hawk County p. 407-452
Melvin F. Arey
Geology of Franklin County p. 453-508
Ira A. Williams
Geology of Sac and Ida Counties p. 509-562
Thos. H. Macbride
Geology of Jackson County p. 563-648
T. E. Savage