TY - RPRT TI - Summit crater lake observations, and the location, chemistry, and pH of water samples near Mount Chiginagak volcano, Alaska: 2004-2012 AU - Janet R. Schaefer AU - William E. Scott AU - William C. Evans AU - Bronwen Wang AU - Robert G. McGimsey PY - 2013 DO - 10.14509/25602 UR - https://pubs.usgs.gov/publication/70102155 ID - 70102155 ER -