Category archives for Boulder River (Jefferson River tributary)

Jefferson River-South Boulder River drainage divide area landform origins in the Tobacco Root Mountains, Madison County, Montana, USA

Abstract: This essay uses topographic map evidence to interpret landform origins between the Jefferson River and the South Boulder River in the Tobacco Root Mountains, Madison County, Montana. The Jefferson River is formed west of the Tobacco Root Mountains at the confluence of the south and northeast oriented Big Hole River, the north-northeast oriented Beaverhead […]

Little Blackfoot River-Boulder River drainage divide area landform origins along continental divide, Powell and Jefferson Counties, Montana, USA

Abstract: This essay uses topographic map evidence to interpret landform origins in the region between the Little Blackfoot River and the Boulder River along the east –west continental divide in Powell and Jefferson Counties Montana. The continental divide in the study region serves as the Powell-Jefferson County border with Powell County being west of the […]

Boulder River-Missouri River drainage divide area landform origins in Jefferson and Broadwater Counties, Montana, USA

Abstract: This essay uses topographic map evidence to interpret landform origins in the region between the Boulder River and the Missouri River in Jefferson and Broadwater Counties, Montana. The Missouri River flows in a north-northwest direction in the study area while the Boulder River flows in a south-southeast and southwest direction. The south oriented Boulder […]