![Report of the Geology and Paleontology Committee]()
Report of the Geology and Paleontology CommitteeJ. M. Clarke, W. W. Atwood, J. C. Merriam, C. P. Berkey, R. A. F. Penrose, A. L. Day, H. F. Reid, Bashford Dean, C. R. Van Hise, F. W. DeWolf, C. D. Walcott, W. O. Hotchkiss, J. B. Woodworth and E. B. Mathews · Proceedings of the National Academy of Sciences of the United States of America · 1917