An aerial view of a dirt road winding along a hillside in Forest Park, Portland (negative 6 of 10).

An aerial view of a dirt road winding along a hillside in Forest Park, Portland (negative 2 of 10).

An aerial view of Forest Park in Portland, looking east. The Willamette River and downtown Portland can be seen in the distance. Several dirt roads can be seen on a ridge in the park (negative 4 of 10).

Photographic postcard of a man driving an automobile on a dirt road. He drives toward the camera. There are large trees on both sides of the road. Writing on the bottom of the postcard reads, "Crater Lake Nat'l Park. 833. Among the Pines." Typed writing on the back reads, "A glimpse of our standing timber. We have 20,000 feet of this class of timber in Klamath County." Postcard made by Miller Photo Co., Klamath Falls, Oregon.

Photograph taken next to the Interstate Bridge showing electrified street lights. Trees can be seen to the sides of the bridge and in the distance.

An automobile is parked along the side of a gravel road, possibly the Cascade Highway. Multiple buildings can be seen along the side of the road, including a blacksmith shop. A gasoline pump is visible to the left of the car.

A photograph of a work crew laying concrete pavement on a residential street. There are two horses with equipment attached.

A photograph of three people standing on a dirt road with a steam cement mixer, supplies, and a mule. Additional people are visible throughout the background.

A photograph of three people working on a dirt road with a steam cement mixer, supplies, and mules. Other people are visible throughout the background and a child watches from the side of the road.

View of a building with a crucifix finial on the roof in Portland. A dirt road runs in front of the building.

A photograph showing a group of people building a road with the help of horses and equipment.

Photograph of car parked at the end of a washed-out road along a river. An unidentified person is standing nearby, looking toward the river. Image note: Light leak on negative.

Photograph of water spraying as a car drives on a muddy dirt road past leafless trees. Image note: Light leak on negative.

Photograph, taken from the front, of a car traveling downhill on a steep, rocky dirt road through forest. An “X” is written on the negative and is visible in the upper left corner of the image.

Photograph of a car on a rocky dirt road through forest south of Mount Hood, which is faintly visible in the background. An “X” is written on the negative and is visible in the upper left corner of the photograph. Image note: Light leak on negative.

Photograph of a car driving on a rocky dirt road through forest south of Mount Hood. The peak of the mountain is faintly visible in the background. Image note: Light leak and damage on negative.

Photograph of a car on a dirt road through forest south of Mount Hood. The mountain’s peak is visible in the background. Image note: Light leaks on negative.

Photograph of a car on a rocky dirt road through forest south of Mount Hood. The car is at a tilt, with two wheels on the road and two wheels on the bank next to the road. Also see image No. 371N5047.

Photograph of a car on a rocky dirt road through forest south of Mount Hood; the peak is faintly visible in the background. Three unidentified men are standing nearby. An “X is marked on the negative and is visible in the upper left corner of the image.

Photograph of a car driving on a dirt road through forest south of Mount Hood, which is faintly visible in the background. Image note: Light leak on negative.

Photograph of a car on a rocky dirt road through forest south of Mount Hood, which is faintly visible in the background. The car is at a tilt, with two wheels on the road and two wheels on the bank next to the road.

Photograph showing parked cars lining a snow-covered road in Government Camp, Oregon, near the Battle Axe Inn. Groups of pedestrians are walking along the road.

A view of the Cascade Highway (Oregon Route 213), which runs between Portland and Salem, Oregon. Automobiles are driving on the road and several houses can be seen along the route. A large mountain is visible in the background (possibly Mount Hood). The road, automobiles, and mountain have been painted onto the image.

A photograph showing part of the Cascade Highway (Oregon Route 213). There is an automobile on the left side of the road. A sign on the left reads, "Market Road No. 5" with arrows pointing towards Silverton Road, Oregon City, and Marquam. A house is visible on the right.

A photograph showing part of the Cascade Highway (Oregon Route 213). There is a child sitting on a log on the right and an automobile on the road. Trees line the road and a house is visible on the left. A man is visible working on construction equipment in the distance on the right.

A photograph showing part of the Cascade Highway (Oregon Route 213). There are two automobiles and houses visible either side of the road. The view shows the road going uphill.

A photograph showing the Cascade Highway (Oregon Route 213) bridge crossing at Milk Creek in Mulino. There is an automobile on the right and houses are visible on the other side of the bridge.