Region
New Mexico
Texas
10
Idaho
2
United States
2
Albany County
1
Arizona
1
Clark County
1
Colorado
1
El Paso Region
1
Gilpin County
1
High Plains (U.S.)
1
Louisiana
1
Mesilla Valley
1
Montana
1
Nevada
1
Oklahoma
1
Oregon
1
Rio Grande Region (Colo.-Mexico and Tex.)
1
Rio Grande Valley (Colo.-Mexico and Tex.)
1
Rio Grande Watershed (Colo.-Mexico and Tex.)
1
Union County
1
Valley County
1
Wyoming
1