TY  - RPRT
TI  - Major- and trace-element geochemistry; lead, strontium, and neodymium isotopic compositions; and petrography of late Cenozoic basaltic rocks from west central Colorado
AU  - D.M. Unruh
AU  - J. R. Budahn
AU  - D. F. Siems
AU  - F.M. Byers
PY  - 2001
DO  - 10.3133/ofr01477
UR  - https://pubs.usgs.gov/publication/ofr01477
ID  - ofr01477
ER  -