Abstract: This essay uses topographic map evidence to interpret landform origins in the Big Thompson River-Little Thompson River drainage divide area in the Colorado Front Range. The Big Thompson River originates in Rocky Mountain National Park and flows in a southeast, northeast, and east-southeast direction onto the Colorado Piedmont before turning in a southeast […]
Category archives for Colorado
Abstract: This essay uses topographic map evidence to interpret landform origins in the Cache la Poudre River-Big Thompson River drainage divide area in the Colorado Mummy Range. The Mummy Range is located in northeast Rocky Mountain National Park and the region immediately to the north. The Cache la Poudre River originates south and west […]
Abstract: This essay uses topographic map evidence to interpret landform origins in the Cache la Poudre River-Buckhorn Creek drainage divide area in the northern Colorado Front Range. The South Fork Cache la Poudre River originates in Rocky Mountain National Park and flows in a northeast direction to join the east oriented Cache la Poudre […]
Abstract: This essay uses topographic map evidence to interpret landform origins in the Laramie River–Cache la Poudre River drainage divide area in the Colorado Mummy Range and Laramie Mountains. Northeast and north oriented Cache la Poudre River headwaters are linked by deep mountain passes or through valleys with south and southwest oriented Colorado River headwaters, […]
Abstract: This essay uses topographic map evidence to interpret landform origins in the Crow Creek-South Platte River drainage divide area in Weld and Morgan Counties, Colorado. Before entering Weld County the South Platte River flows in a north direction east of the Colorado Front Range and once in Weld County the South Platte River […]
Abstract: This essay uses topographic map evidence to interpret landform origins in the Pawnee Creek-South Platte River drainage divide area in Weld, Morgan, and Logan Counties, Colorado. Pawnee Creek is an east and southeast oriented tributary to the northeast oriented South Platte River in northeast Colorado. Topographic map evidence shows drainage divides between Pawnee […]
Abstract: This essay uses topographic map evidence to interpret landform origins in the South Platte River-Frenchman Creek drainage divide area in the Colorado northeast corner. The South Platte River originates in the Colorado Front Range and flows in a southeast, north-northeast, and east-southeast direction before turning to flow in a northeast direction to the […]
Abstract: This essay uses topographic map evidence to interpret landform origins in the Lodgepole Creek-South Platte River drainage divide area near the Wyoming-Nebraska-Colorado corner. The South Platte River flows in a north direction just east of the Colorado Front Range into northern Colorado and then turns in an east-southeast, east, and northeast direction to […]
Abstract: This essay uses topographic map evidence to interpret landform origins in the Crow Creek-South Platte River drainage divide area along the Wyoming-Colorado border. The South Platte River flows in a north-northeast direction along the east side of the Colorado Front Range before turning in an east-southeast, east, and northeast direction to flow into […]
Abstract: This essay uses topographic map evidence to interpret landform origins in the Laramie River–North Fork Cache la Poudre River drainage divide area along the Wyoming-Colorado border. The Laramie River flows in a north direction between the Medicine Bow Mountains and the Colorado Laramie Mountains and then in a northeast and north direction in […]
Abstract: This essay uses topographic map evidence to interpret landform origins in the Lodgepole Creek-South Platte River drainage divide area in Kimball and Cheyenne Counties, Nebraska and Sedgwick and Logan Counties, Colorado. Kimball and Cheyenne Counties are located along the south margin of the Nebraska panhandle and Sedgwick and Logan Counties are located in […]
Abstract: This essay uses topographic map evidence to interpret landform origins in the North Platte River-Laramie River drainage divide area in the Colorado Medicine Bow Mountains. The Medicine Bow Mountains extend in a north-northwest direction from near the northwest corner of Rocky Mountain National Park in Colorado into southern Wyoming. The Laramie River originates […]
Abstract: This essay uses topographic map evidence to interpret landform origins in the Michigan River-Colorado River drainage divide area in the Colorado Never Summer Range. The Never Summer Mountains are located west of the south oriented Colorado River headwaters valley in western Rocky Mountain National Park. North of the Never Summer Mountains are the […]
Abstract: This essay uses topographic map evidence to interpret landform origins in the Illinois River-Colorado River drainage divide in the Colorado Rabbit Ears Range. The Rabbit Ears Range is a west to east oriented mountain range west of the Never Summer Range and east of the Park Range. North Park is a high basin […]
Abstract: This essay uses topographic map evidence to interpret landform origins in the Grizzly Creek-Colorado River drainage divide area in the Colorado Rabbit Ears Range. The Rabbit Ears Range is a west to east oriented mountain range separating the north oriented North Platte River headwaters area in North Park from the deep west and […]
Abstract: This essay uses topographic map evidence to interpret landform origins in the Elk River-North Platte River drainage divide in the Colorado Park Range. The Colorado Park Range is a high north to south oriented mountain range on the west side of North Park. North Park is drained by the north oriented North Platte […]
Abstract: This essay uses topographic map evidence to interpret landform origins in the Encampment River-Elk River drainage divide area in the Wyoming and Colorado Sierra Madre Mountains and Park Range. The North Platte River flows in a north and north-northwest direction east of the Park Range in Colorado and northeast of the Sierra Madre […]
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 […]
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 […]
A geomorphic history based on topographic map evidence Abstract: This essay is an overview of more detailed essays using topographic map evidence to interpret Republican River drainage basin landform origins. The more detailed essays can be found under Republican River on this website’s sidebar category list. All interpretations in this essay and in the more […]
A geomorphic history based on topographic map evidence Abstract: This is an overview essay providing highlights from detailed essays describing drainage divide origins within and surrounding the Colorado and Kansas Smoky Hill River drainage basin. The detailed essays can be found under Smoky Hill River on this website’s sidebar category list. All interpretations of drainage […]
