Title
Some El Paso guide fossils, pt. 1 : Fossils from the Smith Basin limestone of the Fort Ann region, pt. 2 : Fossils from the Fort Ann Formation, pt. 3 : Merostomes from the Cassinian portion of the El Paso Group, pt. 4 / by Rousseau H. Flower.
Published
Socorro : State Bureau of Mines and Mineral Resources, New Mexico Institute of Mining and Technology, 1968.