Dallas, TX, to Ardmore, OK, via I-35. Pauls Valley, OK, to El Reno, OK, via OK 19 and US 81. El Reno, OK, to Amarillo, TX, via I-40. Casper, WY, to Greybull, WY, via US 20. Greybull, WY, to Lovell, WY, via US 310.
Select geology stops en route.
Geology stops at Buffalo Bill Reservoir, Heart Mountain, Clarks Fork Canyon, and Stillwater Ultramafic Complex. Motel in Mammoth Hot Springs, Yellowstone National Park. Geology stops in Beartooth Mountains, Yellowstone National Park, and Grand Tetons National Park. Motel in Jackson Hole area. Geology stops in Wind River Basin, Owl Creek Mountains, and Big Horn Basin.