| 1241047 |
Arizona |
|
Organ Pipe Cactus National Monument, Pima County, Arizona |
| 1241050 |
Arizona |
|
Cabeza Prieta National Wildlife Refuge, Yuma County, Arizona |
| 1241051 |
Arizona |
|
International border road in Cabeza Prieta National Wildlife Refuge. USA on right; Sonora, Mexico on left. |
| 1241052 |
Mexico |
|
Mountain range in Sonora, Mexico on south side of international border. |
| 1241053 |
Arizona |
|
Conducting biological assessment survey in Cabeza Prieta National Wildlife Refuge, Pima County, Arizona |
| 1241054 |
Arizona |
|
Sonoran desert scrub community in the Cabeza Prieta National Wildlife Refuge, Pima County, Arizona. |
| 1241055 |
Mexico |
|
Lava flow in Sonora, Mexico on south side of international border |
| 1241058 |
Idaho |
|
Mountain shrub community in the Cache National Forest, Idaho. Dominant species include Artemissia tridentata vaseyana vaseyana, Symphoricarpos oreophilus, Amelanchier alnifolia, and Purshia tridentata. 11 to 20 percent canopy coverage. |
| 1241059 |
Idaho |
|
View of Caribou National Forest, Idaho with mountain shrub community in foreground. Egan Basin topographic quadrangle. |
| 1241063 |
Idaho |
|
View of mountain shrub community in the Caribou National Forest, Idaho with ancient volcano in background. Herman topographic quadrangle. |
| 1241064 |
Idaho |
|
Mountain shrub community: Caribou National Forest, Idaho. Greater than 30 percent canopy coverage. Herman topographic quadrangle. |