| 其他書名 | Great Lakes, Lakes Ontario, Erie, Huron, Michigan, and Superior and St. Lawrence River. 6 |
| 出版 | U.S. Department of Commerce, National Oceanic and Atmospheric Administration, National Ocean Survey, 2002 |
| URL | http://books.google.com.hk/books?id=VulCbrRGjCsC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |