Green Chain
Encyclopedia
A green chain is a type of lumber
Lumber
Lumber or timber is wood in any of its stages from felling through readiness for use as structural material for construction, or wood pulp for paper production....

 delivery system that can be used in a sawmill
Sawmill
A sawmill is a facility where logs are cut into boards.-Sawmill process:A sawmill's basic operation is much like those of hundreds of years ago; a log enters on one end and dimensional lumber exits on the other end....

. The green chain's purpose is to collect the final product of the mill and move it at a controlled rate. In the 19th and early to late 20th century, the green chain was used by people. Men would stand alongside and pull lumber that matches the required dimensions and place it in piles. In short, the workers sorted the lumber. Modern sawmill
Sawmill
A sawmill is a facility where logs are cut into boards.-Sawmill process:A sawmill's basic operation is much like those of hundreds of years ago; a log enters on one end and dimensional lumber exits on the other end....

s use automatic systems, such as the lumber dropping through the chain into large slings, where it can be picked up and moved to a staging area to dry. Most likely called the green chain because the lumber is green and has not been seasoned.
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