Reptilian faunas of the Torrejon, Puerco, and underlying Upper Cretaceous formations of San Juan County, New Mexico.

29,2 × 23,5 cm ; 71 pp., 26 planches ; United States Geological Survey, Professional Paper n° 119. Couverture originale imprimée. (Tortues, crocodiliens et dinosaures du Crétacé supérieur du Nouveau Mexique) - 29.2 × 23.5 cm ; 71 pp., 26 plates ; United States Geological Survey, Professional Paper 119. Original printed wrappers. (Turtles, crocodilians and dinosaures from the Upper Cretaceous of New Mexico)