Keywords: Chugwater Fm 1.jpg Outcrop of Triassic Chugwater Formation near Thermopolis Taken 1997 en wikipedia Sreejithk2000 CommonsHelper 2010-02-26 Jstuby wikipedia en Jstuby original upload log page en wikipedia Chugwater_Fm_1 jpg 2010-02-26 05 52 Jstuby 750×500× 251451 bytes <nowiki>Outcrop of Triassic Chugwater Formation near Thermopolis Wyoming Taken 1997 </nowiki> Stratigraphy Rock formations in Wyoming Sandstone formations in the United States Triassic geology Outcrops in the United States |