An aerial view showing the Willamette River in Oregon City, looking south. The Oregon City Arch Bridge crosses the Willamette River, to the west of Main Street. Willamette Falls, and a Portland General Electric dam and hydroelectric power plant can be seen on the river to the south of the bridge. Streets and houses in a grid pattern are on the east side of the river. Photographed with a K-25 camera (negative 3 of 14).