Yellowstone lodgepole pine forest understory as seen in 1965. Numerous dead trees indicate this forest is near maturity. Retrieved from the following page
[1] of the Yellowstone Digital Slide Files archives which are all in the public domain
[2]
== Summary == Yellowstone lodgepole pine forest understory as seen in 1965. Numerous dead trees indicate this forest is near maturity. Retrieved from the following page [http://www.nps.gov/archive/yell/slidefile/plants/conifers/pine/Images/08150.jpg] of t
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