Tag archives for Geology

Missouri River-Missouri River drainage divide area landform origins north of Highwood Mountains, Montana, USA

A geomorphic history based on topographic map evidence Abstract: The Missouri River-Missouri River drainage divide area north of the Highwood Mountains region discussed here is located in Montana, USA. Although detailed topographic maps of the Missouri River-Missouri River drainage divide area have been available for more than fifty years detailed map evidence has not previously […]

Smith River-Belt Creek drainage divide area landform origins, Little Belt Mountains, Montana, USA

A geomorphic history based on topographic map evidence  Abstract: The Smith River-Belt Creek drainage divide area in the Little Belt Mountains region discussed here is located in Montana, USA. Although detailed topographic maps of the Smith River-Belt Creek drainage divide area have been available for more than fifty years detailed map evidence has not previously […]

Poplar River-Big Muddy Creek drainage divide landform origins, northeast Montana, USA

A geomorphic history based on topographic map evidence Abstract: The Poplar River-Big Muddy Creek drainage divide area discussed here is located in northeast Montana, USA. Although detailed topographic maps of the Poplar River-Big Muddy Creek drainage divide area have been available for more than fifty years detailed map evidence has not previously been used to […]

Little Muddy River-White Earth River drainage divide area landform origins, northwest North Dakota, USA

A geomorphic history based on topographic map evidence Abstract: The Little Muddy River-White Earth River drainage divide area discussed here is located in northwest North Dakota, USA. Although detailed topographic maps of the Little Muddy River-White Earth River drainage divide area have been available for more than fifty years detailed map evidence has not previously […]

White Earth River-Little Knife River drainage divide area landform origins, northwest North Dakota, USA

A geomorphic history based on topographic map evidence Abstract: The White Earth River-Little Knife River drainage divide area discussed here is located in northwest North Dakota, USA. Although detailed topographic maps of the White Earth River-Little Knife River drainage divide area have been available for more than fifty years detailed map evidence has not previously […]

Pipestem Creek-James River drainage divide area landform origins in Wells, Foster, and Stutsman Counties, North Dakota, USA

A geomorphic history based on topographic map evidence Abstract: The Pipestem Creek-James River drainage divide area discussed here is located in Wells, Foster, and Stutsman Counties, North Dakota, USA. Major nearby landforms present include the Missouri Escarpment and the Missouri Coteau. Pipestem Creek is a major James River tributary, which flows along the Missouri Escarpment […]

Missouri River-Apple Creek-Pipestem Creek drainage divide area landform origins in Burleigh, Kidder, and Stutsman Counties, North Dakota, USA

A geomorphic history based on topographic map evidence Abstract: The Missouri River-Apple Creek-Pipestem Creek drainage divide area is located in Burleigh, Kidder, and Stutstman Counties, North Dakota and is bounded on the west by the south-southeast oriented Missouri River valley and on the east by the south-southest oriented Pipestem Creek valley. Apple Creek is a […]

Missouri Coteau-James River drainage divide area landform origins in Dickey County, North Dakota and McPherson and Brown Counties, South Dakota, USA

A geomorphic history based on topographic map evidence Abstract: The Missouri Coteau-James River drainage divide area discussed here is located in Dickey County, North Dakota and McPherson and Brown Counties, South Dakota, USA. The Missouri Coteau is a region of small interior drainage basins and is underlain by thick glacial debris interpreted to have been […]

James River-Big Sioux River drainage divide area landform origins north of Redfield and Watertown, South Dakota, USA

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 […]

Big Sioux River-Minnesota River drainage divide area landform origins in eastern South Dakota and western Minnesota, USA

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 […]

James River-Big Sioux River drainage divide area landform origins south of Redfield and Watertown and north of Huron and Brookings, South Dakota, USA

A geomorphic history based on topographic map evidence Abstract: The James River-Big Sioux River drainage divide area south of Redfield and Watertown and north of Huron and Brookings is located in eastern South Dakota, USA. The James River is located in a broad south-oriented lowland and flows south near Redfield and Huron to reach the […]

James River-Big Sioux River drainage divide area landform origins south of Huron and Brookings and north of Mitchell and Sioux Falls, South Dakota, USA

A geomorphic history based on topographic map evidence  Abstract: The James River-Big Sioux River drainage divide area investigated here is located south of Huron and Brookings and north of Mitchell and Sioux Falls, South Dakota, USA. The James River flows south in a broad lowland interpreted here to have originated as the floor of a […]

James River-Big Sioux River drainage divide area landform origins south of Mitchell and Sioux Falls, South Dakota, USA

A geomorphic history based on topographic map evidence Abstract: The James River-Big Sioux River drainage divide area south of Mitchell and Sioux Falls is located in the southeast corner of South Dakota, USA. Major drainage routes present include the south-oriented James, Vermillion, and Big Sioux Rivers, all of which flow to the southeast-oriented Missouri River, […]

Big Sioux River-Minnesota River drainage divide area landform origins in Brookings County, South Dakota and Lincoln and Lyons Counties, Minnesota, USA

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 […]

Big Sioux River-Rock River drainage divide area landform origins in South Dakota, Minnesota, and Iowa, USA

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 […]

Big Sioux River-Floyd River drainage divide area landform origins in northwest Iowa, USA

A geomorphic history based on topographic map evidence Abstract: The Big Sioux River-Floyd River drainage divide area is located in northwest Iowa. Present day Big Sioux-Floyd River drainage divide area landforms include the Big Sioux River and Big Sioux River tributary valleys, Floyd River and Floyd River tributary valleys, and drainage divides between the various […]

Missouri River-James River drainage divide landform origins in Walworth, Edmunds, Potter, and Faulk Counties, South Dakota, USA

A geomorphic history based on topographic map evidence Abstract: The Missouri River-James River drainage divide area in Walworth, Edmunds, Potter, and Faulk Counties, South Dakota is located in north central South Dakota. Between the south-oriented Missouri River to the west and the south-oriented James River to the east in the drainage divide area is the […]

Missouri River-James River drainage divide area landform origins in Buffalo, Jerauld, Brule, and Aurora Counties, South Dakota, USA

A geomorphic history based on topographic map evidence Abstract: The Missouri River-James River drainage divide area discussed here is located in Buffalo, Jerauld, Brule, and Aurora Counties, South Dakota and also includes some areas in Hyde and Hand Counties. Major landforms illustrated and discussed include the Missouri River valley, a Missouri Coteau upland surface remnant, […]

Missouri River-James River drainage divide area landform origins in Charles Mix, Douglas, Hutchinson, Bon Homme, and Yankton Counties, South Dakota, USA

A geomorphic history based on topographic map evidence Abstract: The Missouri River-James River drainage divide area in Charles Mix, Douglas, Hutchinson, Bon Homme, and Yankton Counties, South Dakota is located at the south end of the Missouri River-James River drainage divide area. Landforms are interpreted to have formed during immense floods when the margin of […]

Bazile Creek-North Fork Elkhorn River drainage divide area landform origins in Knox, Pierce, and Antelope Counties, Nebraska, USA

A geomorphic history based on topographic map evidence Abstract: The Bazile Creek-North Fork Elkhorn River drainage divide area is located in Knox, Pierce, and Antelope Counties, northeast Nebraska. USA. Bazile Creek flows in a north and north-northwest oriented direction to join a northeast-oriented segment of the southeast-oriented Missouri River. The North Fork Elkhorn River flows […]

Bow Creek-Logan Creek and other nearby drainage divide area landform origins in Cedar, Dixon, and Dakota Counties, Nebraska, USA

A geomorphic history based on topographic map evidence Abstract: The Bow Creek-Logan Creek and other drainage divides in Cedar, Dixon, and Dakota Counties are located in northeast Nebraska between the southeast oriented Missouri River and the southeast oriented Elkhorn River. Bow Creek is a northeast and north oriented Missouri River tributary and Logan Creek is a southeast […]

Logan Creek-Missouri River drainage divide area landform origins in Dakota, Thurston, and Burt Counties, Nebraska, USA

A geomorphic history based on topographic map evidence Abstract: The Logan Creek-Missouri River drainage divide area in Dakota, Thurston, and Burt Counties is located in northeast Nebraska, USA. Logan Creek is a southeast and south oriented Elkhorn River tributary located west of the south-southeast Missouri River. Through valleys link north-oriented (barbed) Missouri River tributary valleys with […]