Clean-up of power plant interior at Williams Dam following 1913 flood.

Clean-up of power plant interior at Williams Dam following 1913 flood.

Clean-up of power plant interior at Williams Dam following 1913 flood.

Clean-up of power plant interior at Williams Dam following 1913 flood.

Black and white photograph of a dam built on the edge of a lake. "Junction Dam. Is written on the bottom of the image. The dam is know known as the "Tippy Dam."

Dix Dam, completed in 1927, was constructed across the Dix River three miles upstream from its confluence with the Kentucky River. It was the world's largest stone-filled dam.

Dix Dam, completed in 1927, was constructed across the Dix River three miles upstream from its confluence with the Kentucky River. It was the world's largest stone-filled dam.

Dix Dam, completed in 1927, was constructed across the Dix River three miles upstream from its confluence with the Kentucky River. It was the world's largest stone-filled dam.

Powerhouse for Dix Dam, completed in 1927, was constructed across the Dix River three miles upstream from its confluence with the Kentucky River. It was the world's largest stone-filled dam.

Powerhouse for Dix Dam, completed in 1927, was constructed across the Dix River three miles upstream from its confluence with the Kentucky River. It was the world's largest stone-filled dam.

Powerhouse for Dix Dam, completed in 1927, was constructed across the Dix River three miles upstream from its confluence with the Kentucky River. It was the world's largest stone-filled dam.

Croton Dam in Muskegon, Newaygo County, Michigan.