Eco & Physiographic Regions (same except as noted)
Arizona
20 Colorado Plateaus (North American Deserts)
22 Arizona / New Mexico Plateau (North American Deserts)
[ECO] (Skirts just north of the) Arizona/New Mexico Mountains
[PYS] (Passes just north of the) Mogollon Rim
California
[PYS] Basin and Range
[PYS] Central and Southern California Coast and Valleys
[ECO]
6 Southern and Central California Chaparral and Oak Woodlands (Mediterranean Ca.)
8 Southern California Mountains (Mediterranean California)
14 Mojave Basin and Range (North American Deserts)
Colorado
20 Colorado Plateaus (North American Deserts)
21 Southern Rockies (Northwestern Forested Mountains)
22 Arizona / New Mexico Plateau (North American Deserts)
[PYS] Mesa and Plains
Nevada
[PYS] Basin and Range
14 Mojave Basin and Range (North American Deserts)
22 Arizona/New Mexico Plateau (North American Deserts)
New Mexico
21 Southern Rockies (Northwestern Forested Mountains)
22 Arizona/New Mexico Plateau (North American Deserts)
[PYS] Mesa and Plains
[PYS] Colorado Plateau
Utah
13 Central Basin and Range (North American Deserts)
19 Wasatch and Uinta Mountains (Northwestern Forested Mountains)
20 Colorado Plateaus (North American Deserts)
21 Southern Rockies (Northwestern Forested Mountains)
[PYS] Mojave Desert
Arizona
20 Colorado Plateaus (North American Deserts)
22 Arizona / New Mexico Plateau (North American Deserts)
[ECO] (Skirts just north of the) Arizona/New Mexico Mountains
[PYS] (Passes just north of the) Mogollon Rim
California
[PYS] Basin and Range
[PYS] Central and Southern California Coast and Valleys
[ECO]
6 Southern and Central California Chaparral and Oak Woodlands (Mediterranean Ca.)
8 Southern California Mountains (Mediterranean California)
14 Mojave Basin and Range (North American Deserts)
Colorado
20 Colorado Plateaus (North American Deserts)
21 Southern Rockies (Northwestern Forested Mountains)
22 Arizona / New Mexico Plateau (North American Deserts)
[PYS] Mesa and Plains
Nevada
[PYS] Basin and Range
14 Mojave Basin and Range (North American Deserts)
22 Arizona/New Mexico Plateau (North American Deserts)
New Mexico
21 Southern Rockies (Northwestern Forested Mountains)
22 Arizona/New Mexico Plateau (North American Deserts)
[PYS] Mesa and Plains
[PYS] Colorado Plateau
Utah
13 Central Basin and Range (North American Deserts)
19 Wasatch and Uinta Mountains (Northwestern Forested Mountains)
20 Colorado Plateaus (North American Deserts)
21 Southern Rockies (Northwestern Forested Mountains)
[PYS] Mojave Desert
US Geological Regions
Rocky Mountain System
One branch of the Cordilleran system.
Intermontane Plateaus
A system of plateaus, basins, ranges and gorges between the Rocky and Pacific Mountain Systems, divided into the Columbia Plateau, the Colorado Plateau and the Basin and Range Province. Includes the Great Basin and Death Valley.
Pacific Mountain System
The coastal mountain ranges on the west coast.
US Vegetation Regions (from Kroeber)
Semi-desert (CA)
Desert (all)
Northern mesophytic evergreen forest (NM & CO)
US Climate Regions
BSK – Semiarid Steppe (NM, AZ, & UT)
H – Highland Alpine (CO & AZ)
BWH – Midlatitude Desert (CA, UT, NV, & AZ)
CSA – Mediterranean (CA)
US Historic Cultural Regions (from Wissler et al)
Apache (NM) farmers, hunters, shepherds?
Great Plains Shoshone (NV & UT) & Utes (CO & UT) hunters
Mojave (AZ, NV& CA) seed gatherers / desert dwellers
Navaho (CO) shepherds
Southern Californians seed gatherers?
Puebloan & Tewa (NM) farmers
Zuni (CO& NM) farmers, hunters, shepherds?
US Modern Cultural Regions
Hispanic Borderland (NM & CA)
Midland (CO, NV, CA)
Mormon (UT plus a tiny bit of AZ & NV)
Native American (4 corners)