TY  - RPRT
TI  - Summary of isotopic geochronology for the Leadville 1 degree x 2 degrees Quadrangle, central Colorado
AU  - A. R. Wallace
PY  - 1993
DO  - 10.3133/ofr93615
UR  - https://pubs.usgs.gov/publication/ofr93615
ID  - ofr93615
ER  -