TY  - RPRT
TI  - Leadville 1 degree x 2 degrees Quadrangle, Colorado; a pre-assessment
AU  - A. R. Wallace
AU  - Steve Ludington
AU  - T.G. Lovering
AU  - D. L. Campbell
AU  - J. E. Case
AU  - V. J. S. Grauch
AU  - D. H. Knepper
PY  - 1988
DO  - 10.3133/ofr8874
UR  - https://pubs.usgs.gov/publication/ofr8874
ID  - ofr8874
ER  -