TY  - RPRT
TI  - Petrography and origin of xenotime and monazite concentrations, Central City district, Colorado
AU  - Edward J. Young
AU  - P. K. Sims
PY  - 1961
DO  - 10.3133/b1032f
UR  - https://pubs.usgs.gov/publication/b1032F
ID  - b1032F
ER  -