During the past summer (1917) Geologic work has been engaged in as opportunity offered in Montgomery, Page, and Fremont Counties. The fault line north of Thurman has been definitely located, on East Nishnabotna river much information of importance has been obtained by observation and study of the different outcrops from Essex north to Stennett, and on Nodaway river at Clarinda, Shambaugh, and Braddyville outcrops were visited and fossil collections made
The object of this paper is to give the results of field observation and paleontologic study of the ...
Notwithstanding the facts that it was in Iowa rocks of Cretaceous age were first recognized in this ...
In the recent description of the major physiographic provinces of Iowa (Pan-American Geologist, volu...
During the past summer (1917) Geologic work has been engaged in as opportunity offered in Montgomery...
Field work is now being carried on in northeastern Iowa, by field classes and graduate students in t...
A layer of Wisconsin drift ranging up to 150 feet in thickness mantles the better part of the bedroc...
The existing geological maps of Iowa show a continuous blanket of Cretaceous rocks underlying the gl...
The Iowa Geological Survey is engaged in preparing a geological map of Iowa, upon a scale of half an...
Having been a resident in southwestern Iowa for many years and conversant with several localities in...
The Cretaceous deposits of Iowa, from time to time, have received the attention of a number of geolo...
The lithology of certain Benton (?) strata in Lyon County and adjacent parts of Minnehaha County, So...
Iowa need not be ashamed of the part her geologists have played, either in the past history of sedim...
The first centennary of a science in Iowa is upon us. History of the sciences in the commonwealth no...
The object of this paper is to give the results of field observation and paleontologic study of the ...
Notwithstanding the facts that it was in Iowa rocks of Cretaceous age were first recognized in this ...
In the recent description of the major physiographic provinces of Iowa (Pan-American Geologist, volu...
During the past summer (1917) Geologic work has been engaged in as opportunity offered in Montgomery...
Field work is now being carried on in northeastern Iowa, by field classes and graduate students in t...
A layer of Wisconsin drift ranging up to 150 feet in thickness mantles the better part of the bedroc...
The existing geological maps of Iowa show a continuous blanket of Cretaceous rocks underlying the gl...
The Iowa Geological Survey is engaged in preparing a geological map of Iowa, upon a scale of half an...
Having been a resident in southwestern Iowa for many years and conversant with several localities in...
The Cretaceous deposits of Iowa, from time to time, have received the attention of a number of geolo...
The lithology of certain Benton (?) strata in Lyon County and adjacent parts of Minnehaha County, So...
Iowa need not be ashamed of the part her geologists have played, either in the past history of sedim...
The first centennary of a science in Iowa is upon us. History of the sciences in the commonwealth no...
The object of this paper is to give the results of field observation and paleontologic study of the ...
Notwithstanding the facts that it was in Iowa rocks of Cretaceous age were first recognized in this ...
In the recent description of the major physiographic provinces of Iowa (Pan-American Geologist, volu...