Pictorial Glossary of Terms

Definitions taken from the USDA Glossary of Terms Used in Timber Harvesting and Forest Engineering

Bateau

  • A flat-bottomed boat with raked bow and stern and flaring sides.
A man crouching on a raft of logs in a river, with another boat nearby rowing through the water. Trees line the riverbank in the background. The text visible on the side of the boat reads: "THE DIAMOND MATCH CO."
Bateau

Boom

  • Pole, timber, or metal arm protruding from a machine; for example, the boom on a loading machine.
  • Raft of logs or a loose bag of logs in the water.
  • Logs connected together to form a pocket to confine logs into a raft.
Several men stand on floating logs in a watery area, one holding a long pole. Trees and a large wooden structure are visible in the background. Logs cover the water surface extensively.
Sorting Boom, Pend Oreille River

Cant Hook

  • Stout wooden lever used in rolling logs. Differs from a peavey in that it has no spike in the end of the stock.
A group of eleven men standing and kneeling outdoors, each holding a long-handled tool. They are wearing hats and work clothes, and there are trees in the background.
Driving Crew

Crawler

  • Tractor operating on continuous treads instead of wheels.
A man wearing a hat operates a tractor pulling large logs in a forested area.
Old Crawler Tractor

Flume

  • Trough of water used to convey wood.
A long wooden log flume winding through a dense forest with tall trees.
Big Creek Flume

Jammer

  • Lightweight, two-drum yarder usually on a truck with a spar and boom; may be used for both short distance yarding and loading.
A truck with a tall, vertical mechanism attached, standing on a snowy landscape with trees and distant buildings in the background.
Tall Jammer

North American Civilian Conservation Corps Alumni Association

  • Group formed in 1977, referred to in this collection as NACCCA.
A group of men is gathered outdoors on a dirt clearing with trees in the background. Some are standing, while others are crouching in front. They wear casual clothing, and a few have name tags. One man is holding a camera.
1978 NACCCA Reunion #3

Peavey

  • Stout wooden lever, fitted with a strong, sharp spike used for rolling logs.
A group of people standing in a river, using long poles to maneuver large logs. The river runs through a rocky, barren landscape in the background.
Eight Men on Jam

Rollway

  • Any place where logs are dumped and they roll or slide to their resting place.
A forested area with stacked logs and a steam engine locomotive in the background. The ground is covered in more logs, with a few people visible near the train. Tall trees surround the scene.
Rollways Chute to Railroad

Sorting Gaps

  • The areas on a log pond enclosed by boom sticks into which logs are sorted.
A group of men stand on wooden platforms using long poles to guide logs in a river. Tall wooden posts line the platforms, and there are trees in the background.
Sorting Them Out

Splash Dam

  • A temporary wooden dam used to raise the water level in streams to float logs downstream to sawmills.
A log structure next to a flowing body of water, with trees lining the background.
Splash Dam, Camp 19, Humbird

Streamside or Buffer Strip:

  • Strip of uncut timber left between cutting units or adjacent to another resource.
Several workers are in a forested area engaged in logging activity. Logs are scattered across the ground and stacked on a rail car. A small structure with a roof is visible to the left, and the area is surrounded by trees and cut logs. A person can be seen operating machinery.
Steam Slide Ass. Loader?