Continental Divide of the Americas
Great Divide
Colo.
Colorado
CO
Centennial State
Equality State
Wyoming
WY
Wyo.
Gem State
ID
Idaho
Id.
Rockies
Astragalus alpinus
alpine milk vetch
Rocky Mountains
Chlorura chlorura
green-tailed towhee
montology
western blind snake
Leptotyphlops humilis
valley pocket gopher
Thomomys bottae
banded rattlesnake
timber rattlesnake
incline
slope
side
Crotalus horridus horridus
Uma notata
volcano
fringe-toed lizard
Green Mountains
Grand Canyon State
Arizona
AZ
Erodium texanum
Texas storksbill
Cascade Range
Cascades
cordillera
Cascade Mountains
bajada
horseback
rosy boa
Northwest
Lichanura trivirgata
northwestern United States
Sonoran lyre snake
Dakota Formation
desert pavement
ravinement
rockland
Trimorphodon lambda
tor
NE
crestline
Cornhusker State
cap
Neb.
shoulder
rock rattlesnake
Nebraska
Crotalus lepidus
cuscutin
Baja California
palaeolatitude
Appalachian Mountains
Appalachians
Baja California Peninsula
Llano Estacado
Lower California