Rocky Mountain ponderosa pine forest (English Wikipedia)
Analysis of information sources in references of the Wikipedia article "Rocky Mountain ponderosa pine forest" in English language version.
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archive.org
- Patton, David R (1975). "Abert squirrel cover requirements in Southwestern ponderosa pine". Fort Collins, Colorado: U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station. Res. Pap. RM-145.
flatheadaudubon.org
- Hughes, John. "Pygmy Nuthatch". Flathead Audubon Society.
fs.fed.us
- Garrison, George A; et al. (1977). "Vegetation and environmental features of forest and range ecosystems" (PDF). Washington D.C.: US Forest Service. pp. 21–22. Agriculture Handbook No. 475.
usda.gov
fs.usda.gov
- Steele, R; Cooper, SV; Ondov, DM; Roberts, DW; Pfister, RD (1983). Forest habitat types of eastern Idaho-western Wyoming (Report). Ogden, UT: Intermountain Forest and Range Experiment Station, US Forest Service. General Technical Report INT-144.
This article incorporates public domain material from Graham, Russell T; Jain, Theresa B (2005). Ponderosa Pine Ecosystems. Proceedings of the Symposium on Ponderosa Pine: Issues, Trends, and Management. US Forest Service. USDA Forest Service Gen. Tech. Rep. PSW-GTR-198.
