1. Geologic maps of western and northern parts of Gallatin National Forest, south-central Montana Author/Creator: Geological Survey (U.S.) Publication/Creation: [Reston, Va.?] : U.S. Geological Survey, 1997 Resource Type: Map Access & Availability: Loading
2. Mineral resource potential and geology of the White River National Forest and the Dillon Ranger District of the Arapaho National Forest, Colorado Author/Creator: Toth, Margo I., author Publication/Creation: Washington : U.S. G.P.O. ; Denver, CO : For sale by USGS Map Distribution, 1993 Resource Type: Book Access & Availability: Loading