1. Map of explorations and suveys in New Mexico and Utah Author/Creator: Macomb, J. N. 1810 or 1811-1889, (John N.), cartographer Publication/Creation: New York : Geographical Institute Baron F. W. Von Egloffstein, 1860 Format: Map Access & Availability: Loading
2. Map showing distribution, composition, and age of early and middle Cenozoic volcanic centers in Colorado and Utah Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Format: Map Access & Availability: Loading