Cruiser
Omono
Skinny needles says ERC. Young Picea pungens are thicker by a lot, and have a heavy waxy coating. ERC seedlings are a dime a dozen in their range verses few P. p.
Juvenile ERC does have different, more needle like foliage that looks like this. However, it will not have raised leaf scars, like Picea.
A quick needle pluck or close inspection of the needle base can confirm what we have here.
Lorax, if there is a short stalk at the base of each needle you have a picea.