CHOCOLATE DROP GEOLOGIC FEATURE, NEVADA

December 13, 2015

BARBED WIRE & AIN'T BARBED WIRE CAVES, ARIZONA

December 13, 2015

BADLANDS OF SOUTH DAKOTA

December 11, 2015

POACHERS PIT, ARIZONA

December 10, 2015

NORSEMANS WELL

December 04, 2015

IRON HOOP CAVE

December 04, 2015

MARTIN SPRING THANKSGIVING DIVE

December 04, 2015

SURPRISE PIT

December 03, 2015

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