TY - RPRT TI - Eruptive and noneruptive calderas, northeastern San Juan Mountains, Colorado: Where did the ignimbrites come from? AU - Peter W. Lipman AU - William C. McIntosh PY - 2008 DO - 10.1130/b26330.1 UR - https://pubs.usgs.gov/publication/70009732 ID - 70009732 ER -