Sinclair, William John, 1877-1935.; Granger, Walter, 1872-1941.
(New York : Published by order of the Trustees, American Museum of Natural History, 1914)
"The more important stratigraphic results may be summarized as follows: 1. Separation of the pre-Puerco beds into several members which are, in descending order, a heavy conglomeratic sandstone with much fossil wood, a ...