TY - RPRT TI - Porphyry copper assessment of Central America and the Caribbean Basin AU - Floyd Gray AU - Jane M. Hammarstrom AU - Stephen Ludington AU - Lukas Zürcher AU - Carl E. Nelson AU - Gilpin R. Robinson AU - Robert J. Miller AU - Barry C. Moring PY - 2014 DO - 10.3133/sir20105090i UR - https://pubs.usgs.gov/publication/sir20105090I ID - sir20105090I ER -