TY - RPRT TI - Evidence for a high-level porphyritic intrusion below the Sunnyside epithermal vein deposit, Colorado AU - Mario A. Guzman AU - Thomas Monecke AU - T. James Reynolds AU - Thomas J. Casadevall PY - 2023 UR - https://pubs.usgs.gov/publication/70243903 ID - 70243903 ER -