No. | SUBJECT | LOCATION | PHOTOGRAPHER SOURCE | IMAGE |
SIZE IN BYTES Medium/Large |
| 307 | Marine education
aboard "LL Smith Jr. " | Lake Superior Duluth, Minnesota | Minnesota
Sea Grant |  | 29552/257079 |
| 309 | "LL
Smith Jr." - aquatic education vessel in Duluth harbor | Lake Superior Duluth,
Minnesota | Lake Superior Center |  | 30825/266856 |
| 310 | "LL Smith Jr." - aquatic education vessel on Lake Superior | Lake
Superior Duluth, Minnesota | Lake Superior Center |  | 23309/204714 |
| 311 | "The Inland Seas" - marine environmental education boat | Grand
Traverse Bay Lake Michigan | US Fish and Wildlife Service, Robert T. Kavetsky |  | 26498/286224 |
| 312 | French River Hathcery Visitor
Center | Duluth, Minnesota | Steve Geving, Minnesota Department of
Natural Resources |  | 17759/206622 |
| 313 | Naturalists in field at a corporate site for Dupont, Inc. | Indiana | US
Environmental Protection Agency, Karen Holland |  | 31117/291803 |
| 314 | Outdoor education at Ivanhoe Dune and Swale | Indiana | US
Environmental Protection Agency, Karen Holland |  | 30522/215910 |
| 315 | Nature class at Chiwaukee Prairie | Kenosha, Wisconsin | US
Environmental Protection Agency, Region V |  | 29993/232261 |
| 316 | Ranger
Betsy Bartelt at Raspberry Island Lighthouse | Apostle Islands Lake Superior | National
Park Service, Apostle Islands National Lakeshore |  | 22500/152946 |
| 317 | Nature class at Hoosier
Prairie | Indiana | National Park Service, Indiana Dunes National
Lakeshore |  | 30785/266976 |