Stillwater River-Lamar River drainage divide area landform origins in the Absaroka Range-Beartooth Wilderness, south central Montana, USA

Abstract: This essay uses topographic map evidence to interpret landform origins in the region between the north oriented Stillwater River and southwest and south oriented Lamar River tributaries in the Absaroka-Beartooth Wilderness, which is located in south central Montana, north and east of the Yellowstone National Park northeast corner. The Absaroka Range straddles the Montana-Wyoming state […]

Gallatin River-Yellowstone River drainage divide area landform origins in the northern Gallatin Range, Montana, USA

Abstract: The Gallatin River-Yellowstone River drainage divide area in the northern Gallatin Range discussed here is located in south central Montana a short distance north of Yellowstone National Park and this essay interprets landform origins using topographic map evidence. The Gallatin Range is located between the north-northwest and north oriented Gallatin River to the west […]

Shields River-Yellowstone River drainage divide area landform origins in the southern Crazy Mountains, Montana, USA

Abstract: The Shields River-Yellowstone River drainage divide area in the Crazy Mountains discussed here is located in south central Montana, USA and this essay interprets landform origins using topographic map evidence. The Crazy Mountains are an isolated and high mountain range located in southern Montana along the Great Plains western edge. The Shields River originates […]

Grand River drainage basin landform origins, North and South Dakota, USA, overview essay

A geomorphic history based on topographic map evidence Abstract: This essay provides an overview of more detailed essays describing North and South Dakota Grand River drainage basin landform origins. The detailed essays can be found under SD Grand River on this website’s sidebar category list. The Grand River drainage basin is located in southwest North […]

Moreau River drainage basin landform origins, northwest South Dakota, USA, overview essay

A geomorphic history based on topographic map evidence Abstract: This essay provides an overview of more detailed essays describing Moreau River drainage basin landform origins. The detailed essays can be found under Moreau River on this website’s sidebar category list. The Moreau River drainage basin is located in northwest South Dakota. To the west is […]

Southwest North Dakota Missouri Slope region landform origins, USA

A geomorphic history based on topographic map evidence Abstract: The southwest North Dakota Missouri Slope region is located south and west of the Missouri River and east and south of the Little Missouri River in North Dakota and includes the Knife, Heart, Cannonball River drainage basins and their drainage divides with the Little Missouri River. […]