Topics
Environmental aspects
Hydroelectric power plants
5
Archaeological surveying
4
Antiquities
3
Dams
3
Historic sites
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
Planning
1
Power utilization
1
Social aspects
1
Wetlands
1