content: you can see erosion in the carved stone base from groundwater flow  You mean the differential weathering indicative of flowing fluid? Lotsa fluids in the world... coffee, gasahol, air... and air can suspend sand... just like sandblasting. I know for a fact Robert Schoch has had this explained to him more than once. He's never seemed to care or be interested in any alternative explanations. An open mind keeps you off TV, I guess.