Gunther Heeren indicating a one-year old ponderosa pine seedling on the Keller Ridge burn of August 1958. Almost the entire burn seed to pine. Many seedlings have been destroyed by drought, by slavage logging and by cattle grazing. It is hoped, however, that the burn is still adequately stocked.

Chicago citation style
Department of the Interior. Bureau of Indian Affairs. Portland Area Office. Natural Resources. 1950?. Gunther Heeren indicating a one-year old ponderosa pine seedling on the Keller Ridge burn of August 1958. Almost the entire burn seed to pine. Many seedlings have been destroyed by drought, by slavage logging and by cattle grazing. It is hoped, however, that the burn is still adequately stocked.. 1958. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/298692. (Accessed September 20, 2018.)
APA citation style
Department of the Interior. Bureau of Indian Affairs. Portland Area Office. Natural Resources. 1950?, (1958) Gunther Heeren indicating a one-year old ponderosa pine seedling on the Keller Ridge burn of August 1958. Almost the entire burn seed to pine. Many seedlings have been destroyed by drought, by slavage logging and by cattle grazing. It is hoped, however, that the burn is still adequately stocked.. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/298692
MLA citation style
Department of the Interior. Bureau of Indian Affairs. Portland Area Office. Natural Resources. 1950?. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/298692>.
Note: These citations are programmatically generated and may be incomplete.