Tag archives for Sun River Pass

Origin of North America east-west continental divide along Sun River-Flathead River drainage divide, Montana, USA

Abstract: This essay interprets topographic map evidence to determine the origin of the east-west continental divide in the Montana Sun River-Flathead River drainage divide area. The Sun River is formed at the confluence of south-southeast and north-northwest tributaries and flows in an east direction to join the Missouri River at Great Falls, Montana with water […]

Montana Sun River drainage basin landform origins, overview essay

A geomorphic history based on topographic map evidence Abstract: This essay is an overview of six essays describing drainage divide areas in and surrounding the Montana Sun River drainage basin. Essays are based on Sun River drainage basin topographic map evidence and are listed under the Sun River category (see sidebar category list). The Sun […]