Warner Mountains Aerial Photos - 1994 [ds53]

The purpose of these aerial photos is to document the historical location and distribution of aspen stands and to be used in comparison older and newer photos to document changes in the size of aspen stands over time.本航空摄影数据集旨在记录颤杨林分（aspen stands）的历史位置与分布特征，并通过对比新旧航拍影像，追踪并记录颤杨林分面积随时间的演变情况。