| 其他書名 | Lakes Ontario, Erie, Huron, Michigan, and Superior, and St. Lawrence River |
| 出版 | U.S. Department of Commerce, National Oceanic and Atmospheric Administration, National Ocean Survey, 1976 |
| URL | http://books.google.com.hk/books?id=Sn0d0C4dHQAC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |