Geology and paleontology of the Raton mesa and other regions in Colorado and New Mexico,
papers by Willis T. Lee and F. H. Knowlton.
- Washington, Govt. print. off., 1917.
- 450 p. illus., CXIII pl. (part fold., incl. maps, diagrs.) on 70 l., diagrs. 29 cm.
- U.S. Geological survey. Professional paper 101 .
At head of title: Department of the interior. Two plates in pocket. In solander.