Air Pollution - All States

Chicago citation style
Department of Agriculture. Forest Service. 7/1/1905-. Air Pollution - All States. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/7024383. (Accessed July 23, 2018.)
APA citation style
Department of Agriculture. Forest Service. 7/1/1905-, Air Pollution - All States. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/7024383
MLA citation style
Department of Agriculture. Forest Service. 7/1/1905-. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/7024383>.
Note: These citations are programmatically generated and may be incomplete.