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Clackamas County (Or.) With digital objects
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1888 Oregon City suspension bridge?
1888 Oregon City suspension bridge?
River Mill Dam, last unit
River Mill Dam, last unit
River Mill Dam, governor test #3
River Mill Dam, governor test #3
River Mill Dam and powerhouse
River Mill Dam and powerhouse
River Mill Dam, powerhouse interior
River Mill Dam, powerhouse interior
River Mill, suspension bridge
River Mill, suspension bridge
River Mill, right channel
River Mill, right channel
Bull Run, Little Sandy Dam penstocks
Bull Run, Little Sandy Dam penstocks
Bull Run, Little Sandy Dam, forms for penstock valves
Bull Run, Little Sandy Dam, forms for penstock valves
Bull Run, Little Sandy Dam high tension switch room
Bull Run, Little Sandy Dam high tension switch room
Bull Run, Little Sandy Dam powerhouse
Bull Run, Little Sandy Dam powerhouse
Bull Run, Little Sandy Dam , top of transformer house
Bull Run, Little Sandy Dam , top of transformer house
Bull Run, Little Sandy Dam, powerhouse
Bull Run, Little Sandy Dam, powerhouse
Bull Run, Inside governor and generator devices
Bull Run, Inside governor and generator devices
Bull Run, Big Sandy dam construction
Bull Run, Big Sandy dam construction
Bull Run, Big Sandy dam construction
Bull Run, Big Sandy dam construction
Bull Run, Big Sandy dam canal excavation
Bull Run, Big Sandy dam canal excavation
Bull Run, Big Sandy canal excavation
Bull Run, Big Sandy canal excavation
Bull Run, Big Sandy spillway
Bull Run, Big Sandy spillway
Bull Run, Little Sandy Dam construction
Bull Run, Little Sandy Dam construction
Bull Run, Little Sandy Dam construction
Bull Run, Little Sandy Dam construction
Bull Run, Little Sandy Dam construction
Bull Run, Little Sandy Dam construction
Bull Run, Little Sandy
Bull Run, Little Sandy
Little Sandy Dam, intake on river about 3.5 miles above Bull Run
Little Sandy Dam, intake on river about 3.5 miles above Bull Run
Little Sandy Dam, drop gate on Bull Run flume
Little Sandy Dam, drop gate on Bull Run flume
Bull Run, Big Sandy bridge
Bull Run, Big Sandy bridge
Bull Run, power plant flume
Bull Run, power plant flume
Oak Grove Tunnel, party of officials at northern portal
Oak Grove Tunnel, party of officials at northern portal
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