Contains pamphlets, booklets, and annual reports from various water and power companies on the Susquehanna River. They include information about dams, hydroelectric projects, and how electricity is generated; maps and history of the region; and pictures of the river and hydroelectric stations.
A 1904 pamphlet describing the planned building of the McCall Ferry Dam on the lower Susquehanna. It was later named the Holtwood Dam. Photos show the area before the dam's completion.