1. Effects of coal mine subsidence in the Sheridan, Wyoming area Author/Creator: Dunrud, C. Richard, author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1980 Resource Type: Book Access & Availability: Loading
2. Some engineering geologic factors controlling coal mine subsidence in Utah and Colorado Author/Creator: Dunrud, C. Richard, author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1976 Resource Type: Book Access & Availability: Loading