TY - RPRT TI - Preserved filamentous microbial biosignatures in the Brick Flat gossan, Iron Mountain, California AU - Amy J. Williams AU - Dawn Y. Sumner AU - Charles N. Alpers AU - Suniti Karunatillake AU - Beda A Hofmann PY - 2015 DO - 10.1089/ast.2014.1235 UR - https://pubs.usgs.gov/publication/70159890 ID - 70159890 ER -