This photograph depicts a man rolling a log as his opponent falls into the water during a log-rolling contest. Transcribed from handwritten note on back of the photograph, "Longview Rolleo, 1930. Rolling his opponent [sic] under in log-rolling contest."

This photograph depicts a contestant at the Longview Rolleo during a tree-topping contest, with a crowd watching from below.

This photograph depicts a man assisting a climber with his harness for a tree-topping contest. Transcribed from handwritten note on back of the photograph, "Longview Rolleo, 1930. Victor in tree-topping contest after descent."

This photograph depicts a man using a crosscut saw to cut through a tree trunk during a cross-cutting contest, as a crowd watches from behind. This photograph depicts a contestant at the Longview Rolleo during a cross-cutting contest.

This photograph depicts two men jousting atop logs during a contest challenge as several participants watch during the Longview Rolleo.

This photograph depicts a climber ascending a tree trunk during a tree-topping contest. Transcribed from handwritten note on back of the photograph, "Tree-topping contest - Longview Rolleo, 1930. High climber ascending."

Four people gathered in front of a desk, as part of a plate production shop competition at Kaiser Vancouver. Two people are seated, holding pencils and paper, while two other stand behind and look downward. Paper litters the top of the desk (negative 1 of 1).

This photograph depicts a man and woman participating during a log-rolling contest, with the woman having fallen into the water. Transcribed from handwritten note on back of the photograph, "Longview Rolleo, 1930. Man and woman log-rolling contest."

This photograph depicts the winning contestant of a cross-cutting contest using a crosscut saw to cut the trunk of a tree. Transcribed from handwritten note on back of the photograph, "Longview Rolleo, 1930. Winner in cross-cutting contest doing his stuff."