« Previous
Next »
Topic
- Columbia River 24
- Rapids 15
- Waterfalls 14
- Oregon, Eastern 13
- Iron and steel bridges 4
- Irrigation canals and flumes 4
- Rivers 4
- Buildings--Irrigation systems 3
- Dams 3
- Indians of North America 3
- Landscapes 3
- Barges 2
- Docks 2
- Fishwheels 2
- Paddle steamers 2
- Rocks 2
- Snow 2
- Columbia River Gorge (Or. and Wash.) 1
- Fisheries 1
- Fisheries--Equipment and supplies 1