No. | SUBJECT | LOCATION | PHOTOGRAPHER SOURCE | IMAGE |
SIZE IN BYTES Medium/Large |
| 168 | Aerial view of
industry along river | Fox River, Wisconsin | Great Lakes United |  | 21989/253686 |
| 169 | Industry
along Rouge River | Rouge River, Michigan | Michigan Sea Grant Extension,
Carole Y. Swinehart |  | 27588/279993 |
| 170 | Muskegon Harbor - silos in background | Muskegon, Michigan | Michigan
Sea Grant Extension, Carole Y. Swinehart |  | 15723/221618 |
| 171 | Tanks on Muskegon Lake from Lakeshore Drive | Muskegon,
Michigan | Michigan Sea Grant Extension, Carole Y. Swinehart |  | 16453/221649 |
| 172 | Dow Chemical, Ludington Harbor | Ludington, Michigan | Michigan
DNR, Land and Water Management Division, Coastal Programs Unit |  | 17103/226433 |
| 173 | Sarnia, Ontario | Lake
Huron Sarnia, Ontario | Michigan Sea Grant Extension, Carole Y. Swinehart |  | 17701/223200 |
| 174 | Boat
on river with factory in background | Detroit River | Michigan Sea
Grant Extension, Carole Y. Swinehart |  | 22841/257983 |
| 175 | McClouth Steel on the Detroit River | Trenton, Michigan | Center
for Great Lakes and Aquatic Sciences |  | 21027/291067 |
| 176 | Taconite
Harbor - loading iron ore | Lake Superior Minnesota | Michigan Sea
Grant |  | 23311/272070 |
| 177 | Duluth-Superior
harbor DM&IR ore dock | Duluth, Minnesota | US Army Corps of Engineers |  | 24400/275024 |
| 178 | Sand
mining | Indiana | National Park Service, Indiana Dunes National Lakeshore |  | 16972/208511 |
| 179 | Bethlehem
Steel | Porter, Indiana | National Park Service, Richard Frear |  | 22324/291992 |
| 180 | Bethlehem Steel | Porter
, Indiana | National Park Service, Indiana Dunes National Lakeshore |  | 21563/290045 |
| 181 | Bethlehem
Steel | Porter, Indiana | Bethlehem Steel (courtesy of Indiana Dunes
National Lakeshore) |  | 24929/269803 |