1. Ordovician brachiopods, trilobites, and stratigraphy in eastern and central Nevada Author/Creator: Ross, Reuben James, 1918- author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1970 Resource Type: Book Access & Availability: Loading
2. Ordovician brachiopods, trilobites, and stratigraphy in eastern and central Nevada Author/Creator: Ross, Reuben James, 1918- Publication/Creation: Washington : U.S. Govt. Print. Off, 1970 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 634-639. Access & Availability: Loading