Are flattened groups of twigs arranged horizontally; the leaves 1/16" long; the cones 1/3" in diameter?
CLUE: the tree is native only to northern California and southern Oregon.
It is a Port Orford-cedar.
- OR -
Do the flattened groups of twigs droop; are the leaves 1/8" long; the cones 1/4-1/2" in diameter?
CLUE: tree is native from Oregon to Alaska.
It is an Alaska-cedar (yellow-cedar).