1. Some insects of special interest from Florissant, Colorado, and other points in the Tertiaries of Colorado and Utah, Author/Creator: Scudder, Samuel Hubbard, 1837-1911 Publication/Creation: Washington : Govt. Print. Off, 1892 Resource Type: Book Is Part Of: U.S. Geological Survey bulletin, no. 90-97. Access & Availability: Loading
2. Some insects of special interest from Florissant, Colorado, and other points in the Tertiaries of Colorado and Utah Author/Creator: Scudder, Samuel Hubbard, 1837-1911, author Publication/Creation: Washington, D.C. : Department of the Interior, United States Geological Survey, 1892 Resource Type: Book Access & Availability: Loading
3. Stratigraphy of the Cretaceous rocks and the Tertiary Ojo Alamo Sandstone, Navajo and Hopi Indian Reservations, Arizona, New Mexico and Utah Author/Creator: O'Sullivan, Robert Brett, 1923- author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1972 Resource Type: Book Access & Availability: Loading