Add to ORKGMost who examined the rocks along the Missouri River in the region under consideration have been constrained to record some folding, but such statements have been rather indefinite and have hardly expressed sufficiently the abruptness of the folds
The district at hand is one somewhat remote from any known field of productive Coal Measures, but be...
In the recent description of the major physiographic provinces of Iowa (Pan-American Geologist, volu...
Until very recently, geologists working in Iowa have been content to refer the various boulder clays...
The object of this paper is to give the results of field observation and paleontologic study of the ...
The long period intervening between the deposit of the Cretaceous rocks of Iowa and the advent of th...
The wide celebrity of the fern-bearing concretions from the Carboniferous beds of Mazon Creek, Illin...
I handed in the subject of this paper, intending to throw together various notes which have been acc...
When Louis Agassiz delivered, at the University of Iowa, in 1867, his now famous lectures on Ancient...
Notwithstanding the facts that it was in Iowa rocks of Cretaceous age were first recognized in this ...
The lower measures of the Iowa-Missouri coal field consist of a series of sandstones, shales, fire c...
Iowa is usually considered as primarily a prairie state, one whose chief aesthetic attraction lies i...
Although for long it is suspected that ancestral Rocky mountains must have extended much farther to ...
When speaking of the Archaean hills of Missouri Pumpelly has likened them unto an archipelago of is...
Having been a resident in southwestern Iowa for many years and conversant with several localities in...
One cannot work in the Iowan Drift area and in adjacent areas of older drift without confronting the...
The district at hand is one somewhat remote from any known field of productive Coal Measures, but be...
In the recent description of the major physiographic provinces of Iowa (Pan-American Geologist, volu...
Until very recently, geologists working in Iowa have been content to refer the various boulder clays...
The object of this paper is to give the results of field observation and paleontologic study of the ...
The long period intervening between the deposit of the Cretaceous rocks of Iowa and the advent of th...
The wide celebrity of the fern-bearing concretions from the Carboniferous beds of Mazon Creek, Illin...
I handed in the subject of this paper, intending to throw together various notes which have been acc...
When Louis Agassiz delivered, at the University of Iowa, in 1867, his now famous lectures on Ancient...
Notwithstanding the facts that it was in Iowa rocks of Cretaceous age were first recognized in this ...
The lower measures of the Iowa-Missouri coal field consist of a series of sandstones, shales, fire c...
Iowa is usually considered as primarily a prairie state, one whose chief aesthetic attraction lies i...
Although for long it is suspected that ancestral Rocky mountains must have extended much farther to ...
When speaking of the Archaean hills of Missouri Pumpelly has likened them unto an archipelago of is...
Having been a resident in southwestern Iowa for many years and conversant with several localities in...
One cannot work in the Iowan Drift area and in adjacent areas of older drift without confronting the...
The district at hand is one somewhat remote from any known field of productive Coal Measures, but be...
In the recent description of the major physiographic provinces of Iowa (Pan-American Geologist, volu...
Until very recently, geologists working in Iowa have been content to refer the various boulder clays...