©
fhopson: Spheroidal weathering, Juncal Formation
©
fhopson: Spheroidal weathering, Juncal Formation
©
fhopson: Spheroidal weathering, Juncal Formation
©
fhopson: Alabama Hills
©
fhopson: Chemically weathered granitic rocks in Alabama Hills
©
fhopson: Geology "chemical weathering" "Black Hills" weathering
©
fhopson: The Needles from Keystone Highway, Black Hills, SD
©
fhopson: Tafoni in Coldwater Sandstone, Painted Cave
©
fhopson: Tafoni in Cold Water Sandstone