TY - RPRT TI - Paleo-channels at the Guayacan copper mine, Cabildo District, Aconcagua Province, Chile AU - W. D. Carter AU - T. Nelson PY - 1964 DO - 10.2113/gsecongeo.59.7.1283 UR - https://pubs.usgs.gov/publication/70221124 ID - 70221124 ER -