1. Geologic setting of the Glacier Peak and Mazama ash-bed markers in west-central Montana Author/Creator: Lemke, Richard W. 1913-2003, (Richard Walter), author Publication/Creation: [Reston, Va.] : United States Department of the Interior, Geological Survey, 1975 Resource Type: Book Access & Availability: Loading
2. Geologic setting of the Glacier Peak and Mazama ash-bed markers in west-central Montana Publication/Creation: Washington : U.S. Govt. Print. Off, 1975 Resource Type: Book Access & Availability: Loading
3. The glaciation of the Yellowstone valley, north of the park Author/Creator: Weed, Walter Harvey, 1862-1944, author Publication/Creation: Washington, D.C. : Department of the Interior, United States Geological Survey, 1893 Resource Type: Book Access & Availability: Loading