Review of: "The Iowa Geological Survey, Volume 3, Second Annual Report, 1893" by Samuel Calvin, Charles Rollin Keyes, and G. E. Patrick
Review of: Lewis and Clark on the Great Plains: A Natural History. Johnsgard, Paul A
The Iowa Geological Survey is engaged in preparing a geological map of Iowa, upon a scale of half an...
Iowa\u27s Geological Past: Three Billion Years of Change. Wayne Anderson, 1998. University of Iowa P...
Review of: "The Iowa Geological Survey, Volume 3, Second Annual Report, 1893" by Samuel Calvin, Char...
The present Geological Survey was organized in 1892. Before that time Iowa had had the honor and the...
The first centennary of a science in Iowa is upon us. History of the sciences in the commonwealth no...
In 1975 on the occasion of the first one hundred years of the Iowa Academy of Science, Robert W. Han...
Review of: David Dale Owen: Pioneer Geologist of the Middle West, by Walter Brookfield Hendrickson
Two charter members of the Academy, Dr. Samuel Calvin and Professor J. E. Todd, were primarily geolo...
Before,mtering npon any investigation a knowledge of what has already been done in the same line is ...
It is the duty of the Geological Sur vey to collect, interpret, and on basic geologic features of th...
Review of: Proceedings of the Academy of Science and Letters, of Sioux City, Iowa, for 1903-4, vol...
During the past summer (1917) Geologic work has been engaged in as opportunity offered in Montgomery...
This yearly report is informative in presenting short articles on the programs, projects, research a...
The development of geology as a scientific discipline in Iowa had an early and active history dating...
Review of: Lewis and Clark on the Great Plains: A Natural History. Johnsgard, Paul A
The Iowa Geological Survey is engaged in preparing a geological map of Iowa, upon a scale of half an...
Iowa\u27s Geological Past: Three Billion Years of Change. Wayne Anderson, 1998. University of Iowa P...
Review of: "The Iowa Geological Survey, Volume 3, Second Annual Report, 1893" by Samuel Calvin, Char...
The present Geological Survey was organized in 1892. Before that time Iowa had had the honor and the...
The first centennary of a science in Iowa is upon us. History of the sciences in the commonwealth no...
In 1975 on the occasion of the first one hundred years of the Iowa Academy of Science, Robert W. Han...
Review of: David Dale Owen: Pioneer Geologist of the Middle West, by Walter Brookfield Hendrickson
Two charter members of the Academy, Dr. Samuel Calvin and Professor J. E. Todd, were primarily geolo...
Before,mtering npon any investigation a knowledge of what has already been done in the same line is ...
It is the duty of the Geological Sur vey to collect, interpret, and on basic geologic features of th...
Review of: Proceedings of the Academy of Science and Letters, of Sioux City, Iowa, for 1903-4, vol...
During the past summer (1917) Geologic work has been engaged in as opportunity offered in Montgomery...
This yearly report is informative in presenting short articles on the programs, projects, research a...
The development of geology as a scientific discipline in Iowa had an early and active history dating...
Review of: Lewis and Clark on the Great Plains: A Natural History. Johnsgard, Paul A
The Iowa Geological Survey is engaged in preparing a geological map of Iowa, upon a scale of half an...
Iowa\u27s Geological Past: Three Billion Years of Change. Wayne Anderson, 1998. University of Iowa P...