TY  - RPRT
TI  - Rare earths in the Leadville Limestone and its marble derivates
AU  - J.C. Jarvis
AU  - T.R. Wildeman
AU  - N.G. Banks
PY  - 1975
DO  - 10.1016/0009-2541(75)90088-1
UR  - https://pubs.usgs.gov/publication/70010173
ID  - 70010173
ER  -