Category archives for Nishnabotna River

Boyer River-Mosquito Creek drainage divide area landform origins in Pottawattamie, Harrison, Shelby, and Crawford Counties, Iowa, USA

Abstract: This essay uses topographic map evidence to interpret landform origins in the Boyer River-Mosquito Creek drainage divide area located in Pottawatamie, Harrison, Shelby, and Crawford Counties, Iowa. The Boyer River and Mosquito Creek are south-southwest oriented Missouri River tributaries located in western Iowa with the Boyer River located north and west of Mosquito Creek […]

Boyer River-Nishnabotna River drainage divide area landform origins in Crawford, Carroll, Shelby, and Audubon Counties, Iowa, USA

Abstract: This essay uses topographic map evidence to interpret landform origins in the Boyer River-Nishnabotna River drainage divide area located in Crawford, Carroll, Shelby, and Audubon Counties, Iowa. Evidence presented and discussed also includes regions between Nishnabotna River tributaries located in the four counties. The Boyer River and Nishnabotna River are southwest and south-southwest oriented Missouri […]

Mosquito Creek-East Nishnabotna River drainage divide area landform origins in Pottawattamie, Mills, and Montgomery Counties, Iowa, USA

Abstract: This essay uses topographic map evidence to interpret landform origins in the Mosquito Creek-East Nishnabotna River drainage divide area located in Pottawattamie, Cass, Mills, and Montgomery Counties, Iowa. Mosquito Creek is a south-southwest oriented tributary joining the Missouri River at Council Bluffs, Iowa. The south-oriented Nishnabotna River is located east of Mosquito Creek and […]

Missouri River-Tarkio River drainage divide area landform origins in Fremont and Page Counties, Iowa and Atchison County, Missouri, USA

Abstract: This essay uses topographic map evidence to interpret landform origins in the Missouri River-Tarkio River drainage divide area located in Fremont and Page Counties, Iowa and Atchison County, Missouri. The Missouri River flows in a south-southeast direction along the Fremont and Atchison County western borders. The Tarkio River and its major tributaries flow in […]

Des Moines River-Nishnabotna River drainage divide area landform origins in Audubon and Guthrie Counties, Iowa, USA

Abstract: This essay uses topographic map evidence to interpret landform origins in the Des Moines River-Nisnabotna River drainage divide area located in Audubon and Guthrie Counties, Iowa. More specifically the Audubon and Guthrie County drainage divide is between headwaters and tributaries of the southeast-oriented Middle River (which is a Des Moines River tributary) and headwaters […]