TY  - RPRT
TI  - Geochemical data from the departments of Choco and Antioquia, Colombia; Part A, General discussion
AU  - G. J. Orris
AU  - H.A. Peirce
AU  - T.W. Wells
PY  - 1994
DO  - 10.3133/ofr94623a
UR  - https://pubs.usgs.gov/publication/ofr94623A
ID  - ofr94623A
ER  -