Shorter Contributions to General Geology, 1938-1940
Julia Gardener
Distribution in Mexico: Cook Mountain formation, U. S. G. S. station 13567, Doctor Coss, Zacate, Nuevo Le6n, Mexico; U. S. G. S. station 13570, General Bravo, Carlos Cantu, Nuevo Le6n, Mexico; U. S. G. S. station 13553, west of Rancho ...