Authors: Brooks, Alfred H. --- Hutchins, J.P. --- Wright, Charles Will --- Paige, Sidney --- Moffit, Fred H. --- et al. Maddren, A. G. --- Prindle, L. M. --- Covert, C.C. --- Smith, P.S. --- Knopf, Adolph --- Henshaw, F.F.
Year: 1908 Publisher: Washington U. S. Geological Survey