Engelmann Spruce (Picea engelmanni)These are tall well-formed trees which grow on our higher mountain slopes. (The very similar Blue Spruce commonly grows a little lower down on the mountains.) The average height of the Engelmann spruc
http://www.rootcellar.us/wildflowers/spruce.htm
Engelmann Spruce Picea engelmannii Parry ex Engelm.Engelmann spruce is a large tree, averaging 30 inches in diameter and 90 feet in height. The crown in pyramidal, with the top somewhat rounded and limbs extending to near the ground.
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http://extension.usu.edu/range/woody/englemannspru...