87 books
A Description of the Region about Camp Dodge
Reports, with Accompanying Papers Volume 10
First and Second Annual Report of Progress by the State Geologist and the Assistant and Chemist on the Geological Survey of the State of Iowa; Together with the Substance of Popular Letters Contibuted to the Newspapers of the Volume 1-2
Reports and Papers Volume 10
Report on the Geological Survey of the State of Iowa, to the Thirteenth General Assembly, January, 1870 Volume 1; Containng Results of Examinations and Observations Made Within the Years 1866, 1867, 1868 and 1869
Reports and Papers Volume 13
The Grasses of Iowa Volume 1
Report on the Geological Survey of the State of Iowa Volume 1, PT. 2; PT. I. Geology
Reports, with Accompanying Papers Volume 23
Reports, with Accompanying Papers Volume 9
Reports, with Accompanying Papers Volume 17
Reports and Papers Volume 6
Reports and Papers Volume 9
Reports and Papers Volume 18
Reports, with Accompanying Papers Volume 13; V. 15
Reports, with Accompanying Papers Volume 8
Reports, with Accompanying Papers Volume 2
Reports, with Accompanying Papers Volume 5
Reports, with Accompanying Papers Volume 17; V. 38
Reports, with Accompanying Papers Volume 4
PT. 1. Geology. PT. 2. Paleontology Volume 1, PT. 2
Reports, with Accompanying Papers Volume 15
Reports, with Accompanying Papers Volume 7
Reports, with Accompanying Papers Volume 18