Photograph of a Marion Steam Shovel cutting through a loose dirt hillside. Trees and stumps are visible at the edge of the hill. Men pose with the steam shovel while looking at the camera. On the side of the machine is written “Marion, C.J. Cook Co., Portland Oregon.”

Photograph of a steam shovel cutting through a loose dirt hillside in between Cottrell and Sandy River. Men stand next to the steam shovel looking at the camera.

Photograph showing a caterpillar machine and men standing in a clearing of logs and trees. The men on the right side look towards the caterpillar, which is being driven by a man on a bench seat, who is bent to his left. Written on the negative is “E301.09-O-172.” (Image note: discoloration is visible on right and bottom edges of negative).

Photograph looking westward at recently logged open area. Standing water with floating logs can be seen in the cleared area, along with several horse teams towards the front of the frame.

Photograph taken from a side angle showing a pipe traveler machine being tested on a short length of pipe, in a recently cleared dirt area. Two individuals can be seen standing on top of the device.

Photograph showing the Cazadero Dam flume running into the distance. Trees (possible burned) can be seen on both sides of the (excavated?) canal.

Panoramic photograph showing a wide, open dirt field adjacent to a farm. The farmhouse is on the far left of the image. There is a tree stump in the middle of the field. Panorama is made up of 2 photographs.

Photograph of Portland, Oregon taken by Lorenzo Lorain between 1857 and 1858. There is a hewn-log cabin with a brick chimney and covered porch in the foreground. The cabin is surrounded by a field filled with stumps. Portland and the Willamette River are visible in the distance. The typed caption glued below the bristol board on the front of the photograph reads, "Portland, Oregon. 1857 or 1858. Taken By Lorenzo Lorain, U. S. A. Donated to Oregon Historical Society, 1946, by S. H. Lorain, Albany, Oregon." Handwritten captions on the back of the page read, "Portland, Oregon. Taken by Lt. Lorenzo Lorain, U.S.A. in 1857 or 1858. He Made his camera, prepared his plates, as well as the paper on which the print is made." and, "Portland, from south end, at about the foot of College Street."