TY  - RPRT
TI  - Follow-up examination of field areas with gold potential in Costa Rica; analytical results
AU  - Steve Ludington
AU  - W.C. Bagby
PY  - 1988
DO  - 10.3133/ofr88522
UR  - https://pubs.usgs.gov/publication/ofr88522
ID  - ofr88522
ER  -