Larson, Peter Brennan (1984) I. An ¹⁸O/¹⁶O Investigation of the Lake City Caldera, San Juan Mountains, Colorado. II. ¹⁸O/¹⁶O Relationships in Tertiary Ash-Flow Tuffs from Complex Caldera Structures in Central Nevada and the San Juan Mountains, Colorado (Dissertation (Ph.D)), California Institute of Technology doi: 10.7907/aeb1-ct78