https://www.usgs.gov/publications/regional-disconformities-turonian-and-coniacian-upper-cretaceous-strata-colorado
Regional disconformities in Turonian and Coniacian (Upper Cretaceous) strata in Colorado, Wyoming,...
Siliciclastic and calcareous sedimentary rocks of early Late Cretaceous age in the Western Interior of the United States have been assigned to, in ascending...
regional