Various shots of dredging boats at work lifting coal from the bottom of an American river.
No title. "40,000 tons of coal are fished from the bottom of the Susquehanna River each year. -- Shamokin. Pa." L/S of dredging boat on the river. "A heavy flexible pipe is the "line" and a powerful hydraulic pump the "inducement". Various shots of the machinery in use. M/S of paddles at the back of one of the boats in motion. Various shots of men at work.
Note: This is an extract from a "Walter Futter's Curiosities" film, presumably bought in by Pathe for reuse.
Amber tinted and blue toned print.