The District of Columbia, Its Rocks and Their Geologic History
Martha S. Carr
Howard, Hildegarde. Later Cenozoic avian fossils from near Newport Bay, Orange County, California [abs.] : Geol. Soc. Am. Bull., v. 59, no. 12, pt. 2, p. 1372 –1373, Dec. 1948. Howard, Waldorf Vivian. 1. Contour maps: Petroleo Interamericano, ...