A geomorphic history based on topographic map evidence Abstract: The James River-Big Sioux River drainage divide area north of Redfield and Watertown discussed here is located in northeast South Dakota, USA. The James River flows south in a broad lowland between the east-facing Missouri Escarpment, which marks the Missouri Coteau east boundary, and the west-facing […]
Category archives for Minnesota River
A geomorphic history based on topographic map evidence Abstract: The Big Sioux River-Minnesota River drainage divide area is located in eastern South Dakota and western Minnesota, USA. The Big Sioux River flows south on the Prairie Coteau upland and eventually joins the Missouri River at the South Dakota’s southeast corner. The Minnesota River originates along […]
A geomorphic history based on topographic map evidence Abstract: The Big Sioux River-Minnesota River drainage divide area discussed here is located in Brookings County, South Dakota and Lincoln and Lyon Counties, Minnesota, USA. Major landforms include the Prairie Coteau upland surface and the northeast-facing Prairie Coteau escarpment. The Prairie Coteau escarpment is interpreted here to […]
A geomorphic history based on topographic evidence Abstract: The Big Sioux River-Rock River drainage divide area is located in southeastern South Dakota, the Minnesota southwest corner, and the Iowa northwest corner. Rock River is a south and south-southwest oriented tributary to the south-oriented Big Sioux River. Topographic map evidence suggests the Rock River valley eroded […]
Missouri River drainage basin landform origins research project 