This image was acquired from
flickr. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
pennsylvania lackawanna county lackawannacounty state game land stategameland state game lands stategamelands sgl sgl poconos hiking headwaters tree coniferous oldgrowth tree oldgrowthtree hemlock eastern hemlock easternhemlock tsuga canadensis tsugacanadensis trunk bark canopy nature winter cc public domain publicdomain Large