Folllow any river in the United States from cloud to ocean with Sam Learner
Map of Colorado River Basin: Mountains to Sea; Babbitt Center & Lincoln Institute.
______________________________________
MAPS: BUREAU OF LAND MANAGEMENT (BLM)
Utah BLM: Ownership Maps Circa 1998 to 2007
Green River Corridor
White River Corridor
Yampa River Corridor
UTAH BLM: Ownership and Natural Resource Maps; Circa 1975.
Canyonlands (SE Utah)
Glen Canyon National Recreation Area (Lake Powell)
Color Country (SW Utah)
West Desert (Basin and Range)
Highways 50 & 6 and Interstate 70 (Northern Utah)
1950 to 1993: Kent Frost; professional land and river guide.
FIELD MAPS of GEORGE SIMMONS
Prints of the topographic maps produced by the USGS dam surveys from 1921 to 1923.
Colorado River
Dolores River
Green River
San Juan River
Yampa River
Grand Ganyon Plan and Profiles, USGS (not Simmons Collection).