Citation = "Collatz, G.J., C. Williams, B. Ghimire, S. Goward, and J. Masek. 2014. NACP CMS: Forest Biomass and Productivity, 1-degree and 5-km, Conterminous US, 2005. Data set. Available on-line [https://daac.ornl.gov] from Oak Ridge National Laboratory Distributed Active Archive Center, Oak Ridge, Tennessee, USA. http://dx.doi.org/10.3334/ORNLDAAC/1221"