"USGS Mesozoic loc. 13674, in sec. 2, T. 21 S., R. 18 E., Horse Canyon, Utah", United States [details]
USGS Mesozoic loc. 13790 or 13970 (numbers mixed up); in NW corner SW 1/4 sec. 29, T. 7 S., R. 104 W., near ... [details]
"In NW corner SW 1/4 sec. 29, T. 7 S., R. 104 W., near Closure, Colorado; 40 feet above highest Carbonera coal bed, ... [details]
USGS Mesozoic loc. 13790 or 13970 (numbers mixed up); in NW corner SW 1/4 sec. 29, T. 7 S., R. 104 W., near ... [details]