| 其他書名 | Atwater, Collinsville, and Nokomis Quadrangles, Christian, Macoupin, Madison, Montgomery, and St. Clair Counties |
| 出版 | Department of Natural Resources, llinois State Geological Survey, 1996 |
| URL | http://books.google.com.hk/books?id=0tSqsJhJte8C&hl=&source=gbs_api |