In addition to local rivers in South Carolina, Graf continues to conduct research and policy studies on a variety of rivers represented by the following images.

View from a low-flying airplane shows the braided character of the Platte River, central Nebraska

Dry south channel of the Platte River near Rowe Sanctuary, central Nebraska

Niobrara River near Valentine, Nebraska

Sacramento River upstream from Shasta Lake, northern California

Shasta Dam on the Sacramento River, California

Rio Chama, 3 km downstream from Abiquiu Dam, northern New Mexico

Rio Chama 2 km downstream from Abiquiu Dam, northern New Mexico

Savage Rapids Dam on the Rouge River, southern Oregon

Rio Grande in White Rock Canyon, northern New Mexico

Flood plain of the Rio Grande near San Juan Pueblo, northern New Mexico

Gila River at breached Gillespie Dam, central Arizona

Evacuated reservoir area of the Gila River 2 km upstream from breached Gillespie Dam

Prairie wetland, southern South Dakota