A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2015; you can also visit the original URL.
The file type is application/pdf.
Floyd Gray, Jane M. Hammarstrom, Stephen Ludington, Lukas Zürcher, Carl E. Nelson, Gilpin R. Robinson, Robert J. Miller, Barry C. Moring. "Porphyry copper assessment of Central America and the Caribbean Basin: Chapter I in Global mineral resource assessment." Scientific Investigations Report (2014)