TY - RPRT TI - Chemical analyses of waters from springs and wells from the Clear Lake volcanic area, Northern California AU - J. M. Thompson AU - Fraser E. Goff AU - Julie M. Donnelly PY - 1978 DO - 10.3133/ofr78425 UR - https://pubs.usgs.gov/publication/ofr78425 ID - ofr78425 ER -