TY - RPRT TI - Timing of volcanic and hydrothermal activity, Huancavelica mercury district, Peru. AU - E.H. McKee AU - D. C. Noble AU - C. Vidal C. PY - 1986 DO - 10.2113/gsecongeo.81.2.489 UR - https://pubs.usgs.gov/publication/70015201 ID - 70015201 ER -