Topics
Environmental aspects
Hydroelectric power plants
9
Dams
7
Archaeological surveying
4
Power utilization
4
Antiquities
3
Historic sites
2
Planning
2
Research
2
Archaeological geology
1
Archaeological significance
1
Archaeology
1
Construction projects
1
Cultural property
1
Evaluation
1
Geological surveys
1
Indians of North America
1
Licenses
1
Methodology
1
Paleontological excavations
1
Social aspects
1
Water-power
1
Wetlands
1