1. Application of tracer-injection techniques to demonstrate surface-water and ground-water interactions between an alpine stream and the North Star Mine, Upper Animas River Watershed, southwestern Colorado Author/Creator: Wright, Winfield G. Publication/Creation: Denver, CO : U.S. Geological Survey, Information Services [distributor]. Format: Book Access & Availability: Loading
2. Natural and mining-related sources of dissolved minerals during low flow in the Upper Animas River Basin, southwestern Colorado Author/Creator: Wright, Winfield G. Publication/Creation: [Denver, CO] : U.S. Geological Survey, [1997] Format: Book Access & Availability: Loading