TY  - RPRT
TI  - Map showing distribution, composition, and age of late Cenozoic volcanic centers in Colorado, Utah, and southwestern Wyoming
AU  - R. G. Luedke
AU  - R. L. Smith
PY  - 1978
DO  - 10.3133/i1091b
UR  - https://pubs.usgs.gov/publication/i1091B
ID  - i1091B
ER  -