1. Percent tree and impervious cover for 2020 and projected in 2070 for three RPA scenarios (average, maximum and minimum) for the 2020 RPA Assessment
- Author(s):
- Greenfield, Eric J.; Nowak, David J.
2. Urban land, urban tree cover and urban impervious cover by conterminous United States counties from 2010 to 2060
- Author(s):
- Nowak, David J.; Greenfield, Eric J.
3. Witness trees of the Monongahela National Forest: 1752-1899
- Author(s):
- Thomas-Van Gundy, Melissa A.; Strager, Michael P.
U.S. Department of Agriculture