TY  - RPRT
TI  - Map showing distribution, composition, and age of late Cenozoic volcanic centers in the western conterminous United States
AU  - R. G. Luedke
AU  - R. L. Smith
PY  - 1984
DO  - 10.3133/i1523
UR  - https://pubs.usgs.gov/publication/i1523
ID  - i1523
ER  -