1. The correlation of the Upper Cambrian sections of Missouri and Texas with the section in the upper Mississippi Valley Author/Creator: Bridge, Josiah, 1890-1953, author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1937 Resource Type: Book Access & Availability: Loading
2. The correlation of the Upper Cambrian sections of Missouri and Texas with the section in the upper Mississippi Valley Author/Creator: Bridge, Josiah, 1890-1953 Publication/Creation: Washington : G.P.O., 1937 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 186 A-N. Access & Availability: Loading