Compared to historic (1911) stands, current southern Sierra Nevada forests have a greater density of small to medium trees, lower density of large trees (>36 inches dbh), and greater density of white fir in mixed conifer.
Scott Stephens, Jamie Lydersen, Brandon Collins, Danny Fry, and Marc Meyer. 2015. Historical and current landscape-scale ponderosa pine and mixed conifer forest structure in the Southern Sierra Nevada. Ecosphere 6(5):79.