TY  - RPRT
TI  - Mafic-ultramafic igneous rocks and associated carbonatites of the Gem Park Complex, Custer and Fremont Counties, Colorado
AU  - Raymond Laurence Parker
AU  - William N. Sharp
PY  - 1970
DO  - 10.3133/pp649
UR  - https://pubs.usgs.gov/publication/pp649
ID  - pp649
ER  -