1. Early Cretaceous (Albian) ammonites from the Chitina Valley and Talkeetna Mountains, Alaska Author/Creator: Imlay, Ralph W. 1908-1989, (Ralph Willard), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1960 Resource Type: Book Access & Availability: Loading
2. Early Cretaceous (Albian) ammonites from the Chitina Valley and Talkeetna Mountains, Alaska Author/Creator: Imlay, Ralph W. 1908-1989. (Ralph Willard) Publication/Creation: Washington : U.S. Govt. Print. Off, 1960 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 353-355. Access & Availability: Loading
3. Engineering geology and design of slopes for cretaceous Potomac deposits in Fairfax County, Virginia, and vicinity Author/Creator: Obermeier, Stephen F., author Publication/Creation: [Reston, Va.] : United States Department of the Interior, Geological Survey, 1984 Resource Type: Book Access & Availability: Loading
4. Effects of sediment depositional environment and ground-water flow on the quality and geochemistry of water in aquifers in sediments of Cretaceous age in the coastal plain of South Carolina Author/Creator: Speiran, Gary K. Publication/Creation: Denver CO : For sale by the Map distribution, U.S Geological Survey Resource Type: Book Access & Availability: Loading
5. Evidencias micropaleontológicas sobre la edad Cretácico Superior de las "pizarras Necoxtla" Author/Creator: Thalmann, Hans E. 1899- (Hans Ernst) Publication/Creation: México : Instituto de Geología, 1959 Resource Type: Book Is Part Of: Bound with: QE749 .M45 NO.2-NO.11 ; Pelecípodos y gasterópodos del Cretácico Inferior de la región de San Juan Raya-Zapotitlán, Estado de Puebla / Access & Availability: Loading