This bulletin reports a 1957-1960 study of landscapes, soils, entrenched streams, and gullies in parts of Harrison County, Iowa, supported by Soil Survey Investigations, Soil Conservation Service. The major objectives were to determine the causes and effects of stream entrenchment and gully formation in the thick-loess area of western Iowa and to evaluate the influence of geomorphic processes and physiographic history on the genesis, geography, and classification of soils
Relief shown by contours and spot heights.; Map shows distribution of soil types by color and symbol...
Madison county is located in south central Iowa in the third tier of counties north of Missouri and ...
Recent studies in the midwest have confirmed a relationship between the thickness and distribution o...
This bulletin reports a 1957-1960 study of landscapes, soils, entrenched streams, and gullies in par...
This bulletin tells how natural erosion has helped shape the landscapes of southwestern Iowa and aff...
Soil survey involves the mapping, classification, correlation, and interpretation of soils. The firs...
This research was done on a study of the Hydrogeology of the Northeast Quarter of Marion County, Iow...
This paper deals with the present forest lands in southern Iowa counties, giving their relations to ...
The primary purposes of this investigation are: 1) To delineate flood plain deposits with different...
Winneshiek County is located in northeastern Iowa in the second tier of counties west of the Mississ...
For adequate classification and mapping of soils it is necessary to learn as much as possible about ...
This report summarizes existing data on the DeForest Formation (Holocene alluvium) of western Iowa a...
Mahaska county is located in southern central Iowa in the third tier of counties north of the Missou...
During the progress of the soil survey of Jefferson County, Iowa observations of the Kansan gumbotil...
Geomorphic, stratigraphic, and pedologic investigations were conducted in the geographic area along ...
Relief shown by contours and spot heights.; Map shows distribution of soil types by color and symbol...
Madison county is located in south central Iowa in the third tier of counties north of Missouri and ...
Recent studies in the midwest have confirmed a relationship between the thickness and distribution o...
This bulletin reports a 1957-1960 study of landscapes, soils, entrenched streams, and gullies in par...
This bulletin tells how natural erosion has helped shape the landscapes of southwestern Iowa and aff...
Soil survey involves the mapping, classification, correlation, and interpretation of soils. The firs...
This research was done on a study of the Hydrogeology of the Northeast Quarter of Marion County, Iow...
This paper deals with the present forest lands in southern Iowa counties, giving their relations to ...
The primary purposes of this investigation are: 1) To delineate flood plain deposits with different...
Winneshiek County is located in northeastern Iowa in the second tier of counties west of the Mississ...
For adequate classification and mapping of soils it is necessary to learn as much as possible about ...
This report summarizes existing data on the DeForest Formation (Holocene alluvium) of western Iowa a...
Mahaska county is located in southern central Iowa in the third tier of counties north of the Missou...
During the progress of the soil survey of Jefferson County, Iowa observations of the Kansan gumbotil...
Geomorphic, stratigraphic, and pedologic investigations were conducted in the geographic area along ...
Relief shown by contours and spot heights.; Map shows distribution of soil types by color and symbol...
Madison county is located in south central Iowa in the third tier of counties north of Missouri and ...
Recent studies in the midwest have confirmed a relationship between the thickness and distribution o...