TY  - RPRT
TI  - Geology and mineral resources of the Zipaquira area (Zone IV), Cordillera Oriental, Colombia
AU  - Donald H. McLaughlin
AU  - Marino Arce Herrera
PY  - 1972
DO  - 10.3133/ofr72241
UR  - https://pubs.usgs.gov/publication/ofr72241
ID  - ofr72241
ER  -