Abstract: Multiple deep passes crossing the present-day east-west continental divide and numerous south-oriented tributaries flowing to the present-day north-oriented Gallatin, Madison, Jefferson-Beaverhead-Red Rock, and Missouri Rivers provide evidence the Gallatin, Madison, and Jefferson-Beaverhead-Red Rock valleys originated as diverging channels in a large-scale south-oriented anastomosing channel complex that was subsequently reversed to form the present-day north-oriented Gallatin, […]
Category archives for east-west continental divide
Abstract: This essay uses topographic map evidence to interpret landform origins in the North Fork South Platte River-Tarryall Creek drainage divide area in Park County, Colorado. The North Fork South Platte River originates near the east-west continental divide and flows in a southeast, east, northeast, and southeast direction to join the north-northeast oriented South […]
Abstract: This essay uses topographic map evidence to interpret landform origins in the Middle Fork South Platte River-Arkansas River drainage divide area in Lake, Park, and Chaffee Counties, Colorado. The Middle Fork South Platte River originates on the south side of Hoosier Pass and flows in a south and south-southeast direction on the east […]
Abstract: This essay uses topographic map evidence to interpret landform origins in the Blue River-South Platte River drainage divide area along the east-west continental divide. The Blue River originates on the north side of Hoosier Pass and flows in a north and north-northwest direction to join the southwest oriented Colorado River. Indiana Creek originates […]
Abstract: This essay uses topographic map evidence to interpret landform origins in the Colorado River-Clear Creek drainage divide area along the east-west continental divide. Berthoud Pass and Vasquez Pass link north oriented valleys draining to the southwest oriented Colorado River with the east oriented Clear Creek valley, which drains to the north oriented South […]
Abstract: This essay uses topographic map evidence to interpret landform origins in the Fraser River-Boulder Creek drainage divide area along the east-west continental divide and focuses on the continental divide north of Berthoud Pass and south of Lake Granby. The Colorado River flows in a south direction on the west side of Rocky Mountain […]
Abstract: This essay uses topographic map evidence to interpret landform origins in the Colorado River-North St Vrain Creek drainage divide area along the east-west continental divide. The Colorado River flows in a south direction in the Kawuneeche Valley from the south side of La Poudre Pass to southwest corner of Rocky Mountain National Park […]
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 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 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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
Abstract: This essay uses topographic map evidence to identify north to south and northwest to southeast oriented through valleys crossing the Sweetwater River-Great Divide Basin drainage divide in the region between the Wind River Range to the west and Crooks Mountain to the east. North of the Sweetwater River segment investigated is the Wind […]
Abstract: This essay uses topographic map evidence to interpret landform origins in the region between Wind River and Fish Creek (which is a the Gros Ventre River tributary) along the continental divide in the Wyoming Wind River Range. The Gros Ventre River is a northwest and southwest oriented tributary to the Snake River, which […]
Abstract: This essay uses topographic map evidence to interpret landform origins in the region between the Wind River and the Green River along the continental divide in the Wyoming Wind River Range. The Wind River flows in a southeast direction along the Wind River Range northeast flank before turning to become the north oriented […]
Abstract: This essay uses topographic map evidence to interpret landform origins in the region between Bull Lake Creek and the New Fork River along the continental divide in the Wyoming Wind River Range. Bull Lake Creek headwaters originate along the continental divide and flow in north, northeast, east, and southeast directions to join northeast […]
Abstract: This essay uses topographic map evidence to interpret landform origins in the region between Popo Agie River and the Big Sandy River along the continental divide in the Wyoming Wind River Range. The Big Sandy River originates in the high Wind River Mountains and flows in south direction with water eventually reaching the […]
Abstract: This essay uses topographic map evidence to interpret landform origins in the region between Popo Agie River and the Sweetwater River at the Wind River Range southeast end, Wyoming. The Popo Agie River flows in a northeast direction from the Wind River Range to the Wind River Basin where it joins the north […]
Abstract: This essay uses topographic map evidence to interpret landform origins in the region between the South Fork Shoshone River and Snake River along the continental divide in the Wyoming Absaroka Range,. The South Fork Shoshone River originates in the Absaroka Range Shoshone Plateau area near the east-west continental divide and flows in a north-northeast […]