Alaska Dirt Sample

Alaska Dirt Sample.

Seward, Alaska.

Nevada Dirt Sample

Nevada Dirt Sample.  

Las Vegas, Nevada.

Utah Dirt Sample

Utah Dirt Sample.

Bluff, Utah.

Colorado Dirt Sample

Colorado Dirt Sample.

Cortez, Colorado.

New Mexico Dirt Sample

New Mexico Dirt Sample.

White Sands, New Mexico.

Arizona Dirt Sample

Arizona Dirt Sample.

Sedona, Arizona.

Oregon Dirt

Oregon dirt sample.

Oregon Coast.