TY - RPRT TI - Mantle and Crustal Sources of Carbon, Nitrogen, and Noble gases in Cascade-Range and Aleutian-Arc Volcanic gases AU - Robert B. Symonds AU - Robert J. Poreda AU - William C. Evans AU - Cathy J. Janik AU - Beatrice E. Ritchie PY - 2003 DO - 10.3133/ofr03436 UR - https://pubs.usgs.gov/publication/ofr03436 ID - ofr03436 ER -