Category archives for North Platte River

North Platte River-Little Snake River drainage divide area landform origins along the continental divide in the Wyoming and Colorado Sierra Madre Mountains, USA

  Abstract: This essay uses topographic map evidence to interpret landform origins in the North Platte River-Little Snake River drainage divide in the Wyoming and Colorado Sierra Madre Mountains. The Sierra Madre Mountains are a northwest to southeast oriented mountain range straddling the Wyoming-Colorado border. The North Platte River flows in a north-northwest direction on […]

North Platte River-Little Snake River drainage divide area landform origins along the continental divide in the Wyoming northern Sierra Madre Mountains, USA

  Abstract: This essay uses topographic map evidence to identify north to south and northwest to southeast oriented through valleys crossing the North Platte River-Little Snake River drainage divide in the Wyoming northern Sierra Madre Mountains. The North Platte River flows in a north-northwest direction from Colorado into Wyoming along the east side of the […]

Separation Creek-Little Sage Creek drainage divide area landform origins along the Great Divide Basin east rim, Wyoming, USA

  Abstract: Topographic map evidence in the Separation Creek-Little Sage Creek drainage divide area along the Wyoming Great Divide Basin east rim is illustrated and interpreted to determine erosional landform origins. The Great Divide Basin is a large region of internal drainage along the east-west continental divide in south central Wyoming and Separation Creek is […]

Separation Creek-North Platte River drainage divide area landform origins along the Great Divide Basin east rim, Wyoming, USA

  Abstract: Topographic map evidence in the Separation Creek-North Platte River drainage divide area along the Wyoming Great Divide Basin east rim is illustrated and discussed to determine the origin of the regional erosional landforms. Today the Great Divide Basin is a large region of internal drainage located along the east-west continental divide. The North […]

Sweetwater River-Great Divide Basin drainage divide area landform origins near the Ferris Mountain, Wyoming, USA

Abstract: This essay uses topographic map evidence to interpret landform origins in the Sweetwater River-Great Divide Basin drainage divide area located near the Wyoming Ferris Mountains. The Ferris Mountains are a west-northwest to east-southeast oriented mountain ridge located between Green Mountain to the west and the Seminoe Mountains to the southeast. The Sweetwater River flows […]

Sweetwater River-Lost Creek (Great Divide Basin) drainage divide area landform origins near Green Mountain, Wyoming, USA

  Abstract: Topographic map evidence in the Sweetwater River-Lost Creek drainage divide area near Green Mountain in Wyoming is illustrated and discussed to determine the origin of the regional erosional landforms, including drainage routes and water and wind gaps. Green Mountain is a northwest to southeast oriented mountain south of the east oriented Sweetwater River […]

Deer Creek-Sweetwater River drainage divide area landform origins at the Beaver Divide eastern end, Wyoming, USA

  Abstract: This essay uses topographic map evidence to interpret landform origins in the region between Deer Creek and Sweetwater River tributaries at the Beaver Divide eastern end in central Wyoming. The Beaver Divide is a north-facing escarpment and the drainage divide between north-oriented drainage routes to the Wind River and south oriented drainage routes […]

North Platte River-Sweetwater River drainage divide area landform origins in the Rattlesnake Hills, Natrona County Wyoming, USA

Abstract: This essay uses topographic map evidence to interpret landform origins in the region between North Platte River tributaries and the Sweetwater River in the Rattlesnake Hills in Natrona County, Wyoming. The North Platte River flows in a north and northeast direction between the Rattlesnake Hills to the west and the Laramie Mountains to the […]

Platte River drainage basin landform origins, Colorado, Wyoming, and Nebraska, USA, overview essay

A geomorphic history based on topographic maps Abstract: This overview essay provides highlights from more detailed essays illustrating and describing topographic map evidence which is interpreted to determine origins of drainage divides between all major Platte River tributary drainage basins and Platte River drainage divides with all major adjacent drainage basins. Detailed essays upon which […]

Niobrara River-North Platte River drainage divide area landform origins, eastern Wyoming and western Nebraska, USA

A geomorphic history based on topographic map evidence Abstract: The Niobrara River-North Platte River drainage divide area is located in eastern Wyoming and western Nebraska, USA. Although detailed topographic maps of the Niobrara River-North Platte River drainage divide area have been available for more than fifty years detailed map evidence has not previously been used […]

Cheyenne River-North Platte River drainage divide area landform origins, eastern Wyoming, USA

A geomorphic history based on topographic map evidence Abstract: The Cheyenne River-North Platte River drainage divide area is located in eastern Wyoming, USA and is actually the drainage divide area between a Cheyenne River tributary, Lightning Creek, and the North Platte River. Although detailed topographic maps of the Lightning Creek-North Platte River drainage divide area […]

Snake Creek-North Platte River drainage divide area landform origins south and east of Alliance, Nebraska, USA

A geomorphic history based on topographic map evidence Abstract: Topographic map interpretation methods are used to determine landform origins in the Snake Creek-North Platte River drainage divide area south and east of Alliance, Nebraska. The Snake Creek-North Platte River drainage divide area south and east of Alliance is located in the western Nebraska Sand Hills […]