TY - RPRT TI - Geochemical evaluation of the geothermal resources in the San Marcos region, Guatemala AU - R.O. Fournier AU - B.B. Hanshaw PY - 1986 DO - 10.1016/0883-2927(86)90003-x UR - https://pubs.usgs.gov/publication/70014907 ID - 70014907 ER -