Covered bridge, Clackamas County, Oregon
Covered bridge, Clackamas County, Oregon
Covered bridge, Clackamas County, Oregon
Portland General Electric Photograph Collection
Portland General Electric Photograph Collection
River Rill
River Mill
River Mill, suspension bridge
River Mill, suspension bridge
River Mill, bridge and suspension bridge
Bridge over Sandy River
Molalla River Bridge
Timothy Lake, log bridge
Cazadero Dam, suspension bridge at powerhouse
Clackamas River in Estacada
Cascade Highway bridge crossing at Milk Creek, Mulino
Oregon Electric Railway Bridge over Willamette River at Wilsonville, Oregon
Construction of Oregon Electric Railway Bridge over Willamette River at Wilsonville, Oregon