1. Stratigraphy and paleontology of mid-Cretaceous rocks in Minnesota and contiguous areas Author/Creator: Cobban, William A., 1916-2015 Publication/Creation: Alexandia, VA : For sale by the Distribution Branch, U.S. Geological Survery Resource Type: Book Access & Availability: Loading
2. Stratigraphy and paleontology of mid-Cretaceous rocks in Minnesota and contiguous areas Author/Creator: Cobban, William A., 1916-2015, author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1983 Resource Type: Book Access & Availability: Loading
3. Stratigraphy of mid-Cretaceous formations at drilling sites in Weston and Johnson Counties, northeastern Wyoming Author/Creator: Merewether, E. A. 1930- (Edward Allen), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1980 Resource Type: Book Access & Availability: Loading
4. Stratigraphy of mid-Cretaceous formations at drilling sites in Weston and Johnson Counties, northeastern Wyoming Author/Creator: Merewether, E. A. 1930- (Edward Allen) Publication/Creation: Washington : U.S. Govt. Print. Off, 1980 Resource Type: Book Access & Availability: Loading