The Brandywine River powered American industry in the 19th century. Walker's textile mill joins many others that dot the riverbanks. Upstream, the DuPont Company made gunpowder; other mills produced e

Brandywine River, Delaware

Photograph by Michael Melford, National Geographic

This Month in Photo of the Day: National Geographic Magazine Features

The Brandywine River powered American industry in the 19th century. Walker's textile mill joins many others that dot the riverbanks. Upstream, the DuPont Company made gunpowder; other mills produced everything from paper to snuff.

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