 |  |  |  |  |  |  |
| | Lake
Mead N.R.A. Arizona 121 | | Lake
Mead N.R.A. Nevada 123 | | Death
Valley Natl. Park California 126 | |
 | |
|  |  |  |
|
| | Lake
Mead N.R.A. Nevada 288 | | Lake
Mead N.R.A. Nevada 294 | | Joshua
Tree Natl. Park California 418 | |
|  |  |  |  |  |
|
| | Joshua
Tree Natl. Park California 421 | | White
Sands Natl. Park New
Mexico 604 | | White
Sands Natl. Park New
Mexico 605 | |
|  |  |  |  |  |
|
| | White
Sands Natl. Park New
Mexico 607 | | White
Sands Natl. Park New
Mexico 608 | | White
Sands Natl. Park New
Mexico 609 | |
|  |  |  |  |
|  |
| | White
Sands Natl. Park New
Mexico 610 | | Anza-Borrego
Desert State Park, CA 823 | | Joshua
Tree Natl. Park California 835
| |
|  |  |  |  |  |
|
| | Death
Valley Natl. Park California 836 | | Black
Canyon of the Gunnison Colorado 886 | | Great
Sand Dunes Natl. Park, Colorado 891 | |
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