Are the needles 1/4"-1/2" long, dull blue green; twigs with fine hairs; cones about 1" long remaining on the tree for several years?

Yes
- OR -

Are the needles about 1/2" long, dark yellow-green and shiny; twigs with fine hairs; cones 1 1/4"-2" shed annually?

Yes
- OR -

Are the needles about 1/2" long, blue-green to silvery-white; twigs hairless;cones 1"-2 1/2" long with flexible scales, cones shed annually?

Yes