GRD00BHS0
I-441
Welded Ignimbrite
Cenozoic › Paleogene
23.0
-
65.5
0
Ritter 154 › Cabinet 19 › Drawer J
-
TSB only
USGS Prof Papers 197A and 258
San Juan Mtns
Colorado
San Juan Mtns
Latitude: 38.1°
Longitude: -107.5°