POTD December 20, 2013: Abajo Mountains, San Juan County, Utah
Abajo Mountains, San Juan County, Utah Photographer: Grant Willis Blocky sandstone ledge deposited in an oasis-like setting between ancient sand dunes forms a resistant cap over beds of the Jurassic-age Navajo Sandstone. Chippean Rocks west of the Abajo Mountains, San Juan County. Be sure to follow us on Facebook and Twitter!


