| Publication Type: | Journal Article |
| Year of Publication: | 1933 |
| Authors: | T. Wayland Vaughan, Popenoe W. Parkison |
| Journal: | University of Texas Bulletin |
| Volume: | 3301 |
| Pagination: | 325 - 343 |
| Date Published: | 1933/// |
| URL: | http://www.lib.utexas.edu/books/landscapes/detail_viewer.php?work_id=240620 |