Porcupine Gold Mining Company flume under construction showing stacked lumber and planked bed, as seen from the hillside, Porcupine, Alaska, ca. 1907

Chicago citation style
Draper, Herbert Horace, 1855-1913. Porcupine Gold Mining Company flume under construction showing stacked lumber and planked bed, as seen from the hillside, Porcupine, Alaska, ca. 1907. ca. 1907. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/alaskawcanada/id/2319. (Accessed October 16, 2018.)
APA citation style
Draper, Herbert Horace, 1855-1913, (ca. 1907) Porcupine Gold Mining Company flume under construction showing stacked lumber and planked bed, as seen from the hillside, Porcupine, Alaska, ca. 1907. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/alaskawcanada/id/2319
MLA citation style
Draper, Herbert Horace, 1855-1913. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/alaskawcanada/id/2319>.
Note: These citations are programmatically generated and may be incomplete.