1. 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
2. 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