POTD April 19, 2016: San Rafael Swell, Emery County, Utah

An afternoon escape—

POTD 4-19-16 San Rafael Swell

San Rafael Swell, Emery County, Utah
Photographer: Mark Milligan; © 2015

Small cave-like features called tafoni pockmark the walls of a slot canyon in the southern San Rafael Swell, Emery County.