TY - RPRT TI - Descriptive and chemical data for hydrothermal sulfide-sulfate-silica chimneys from the northern Cleft segment, Juan de Fuca Ridge AU - Virginia K. Smith AU - Randolph A. Koski PY - 1994 DO - 10.3133/ofr9415 UR - https://pubs.usgs.gov/publication/ofr9415 ID - ofr9415 ER -