A powerful assembly of expert commentators contributed to this film. They include geologists, biologists, geographers and archeologists from:

Pennsylvania Department of Conservation & Natural Resources (DCNR)
Pennsylvania Department of Environmental Protection
Pennsylvania Geologic Survey
U.S. Army Corps of Engineers
U.S. Environmental Protection Agency
U.S. Geologic Survey

Historical perspectives are provided by commentators from major universities within the Middle Basin:
Bucknell University
Susquehanna University
Bloomsburg University
Wilkes University
Contemporary context is offered by representatives from key river and bay organizations in Pennsylvania and Maryland:

Susquehanna River Basin Commission(SRBC)
Susquehanna River Basin Map Gallery
Chesapeake Bay Commission
Maryland Department of the Environment

The folklore of the river is recalled by residents who trace their ancestry to the river rats and religious reformers who came to the Susquehanna seeking fortune and faith, or those who simply participate in community events along the Susquehanna.