Derrick.Midwinter:
A Very Grand Canyon
Derrick.Midwinter:
Red Apple, Blue Sweater, Grand Canyon
Derrick.Midwinter:
Hoover Dam
Derrick.Midwinter:
Lone Geologist with a Sand Storm in Death Valley
Derrick.Midwinter:
Storm over the Salt Pans
Derrick.Midwinter:
Dirty in the Desert
Derrick.Midwinter:
Wild Asses of Panamint Valley
Derrick.Midwinter:
Brown Alabama Hills, Grey Sierra Nevadas
Derrick.Midwinter:
Field work in the Sierra Nevadas
Derrick.Midwinter:
Panamint Valley