cement / identified site / construction equipment / slight bank / /
NaturalFeature
Columbia River / /
Organization
Federal Aviation Administration / Department of Energy Bonneville Power Administration / Advisory Council on Historic Preservation / Washington State Historic Preservation Office / Forest Service / Oregon State Historic Preservation Office / Power Administration / United States Government / /
Person
Washington Background / Katherine S. Pierce / Stacy L. Mason / S. Pierce Katherine / L. Mason Stacy / /