Williams, Gerald W (Spring 1999). "The Spruce Production Division"(PDF). Forest History Today. The Forest History Society. Archived from the original(PDF) on 30 September 2012. Retrieved 15 September 2013. This is based on a paper by Gail E. H. Evans that was presented at the Washington State History Conference held at Camp Murray, Washington, on 30 March 1984.
news.google.com
"Spruce output below demands". The Spokesman-Review. Spokane, Washington. 21 December 1917. Archived from the original on 1 February 2021. Retrieved 22 June 2011.
newsbank.com
nl.newsbank.com
Baker, Dean (4 November 2002). "Logging Museum Is Vision". The Columbian. Vancouver, Washington. p. C1. Archived from the original on 25 October 2012. Retrieved 1 November 2010.
Erigero, Patricia C. (1992). "IV. Fort Vancouver: Vancouver Barracks, 1861-1918: Operations at Fort Vancouver/Vancouver Barracks". Fort Vancouver Cultural Landscape Report. Vol. 2. National Park Service. Archived from the original on 7 November 2012. Retrieved 27 December 2013.
Robbins, William G. (2002). "An Economic Turnaround". The Oregon History Project. Oregon Historical Society. Archived from the original on 27 August 2016. Retrieved 17 June 2016.
Wells, Gail (2006). "Union Activity and World War I". The Oregon History Project. Oregon Historical Society. Archived from the original on 27 August 2016. Retrieved 17 June 2016.
"General Disque Employed". The Christian Science Monitor. Christian Science Publishing Society. 22 March 1919. p. 2. ProQuest510198016. Archived from the original on 28 December 2013. Retrieved 1 November 2010. This article ends abruptly after the quote cited above.
"Sitka spruce"(PDF). NRCS Plant Guide. United States Department of Agriculture. Archived(PDF) from the original on 10 July 2010. Retrieved 29 November 2010.
web.archive.org
"Sitka spruce"(PDF). NRCS Plant Guide. United States Department of Agriculture. Archived(PDF) from the original on 10 July 2010. Retrieved 29 November 2010.
Williams, Gerald W (Spring 1999). "The Spruce Production Division"(PDF). Forest History Today. The Forest History Society. Archived from the original(PDF) on 30 September 2012. Retrieved 15 September 2013. This is based on a paper by Gail E. H. Evans that was presented at the Washington State History Conference held at Camp Murray, Washington, on 30 March 1984.
Robbins, William G. (2002). "An Economic Turnaround". The Oregon History Project. Oregon Historical Society. Archived from the original on 27 August 2016. Retrieved 17 June 2016.
Erigero, Patricia C. (1992). "IV. Fort Vancouver: Vancouver Barracks, 1861-1918: Operations at Fort Vancouver/Vancouver Barracks". Fort Vancouver Cultural Landscape Report. Vol. 2. National Park Service. Archived from the original on 7 November 2012. Retrieved 27 December 2013.
Baker, Dean (4 November 2002). "Logging Museum Is Vision". The Columbian. Vancouver, Washington. p. C1. Archived from the original on 25 October 2012. Retrieved 1 November 2010.
Wells, Gail (2006). "Union Activity and World War I". The Oregon History Project. Oregon Historical Society. Archived from the original on 27 August 2016. Retrieved 17 June 2016.
"Spruce output below demands". The Spokesman-Review. Spokane, Washington. 21 December 1917. Archived from the original on 1 February 2021. Retrieved 22 June 2011.
"General Disque Employed". The Christian Science Monitor. Christian Science Publishing Society. 22 March 1919. p. 2. ProQuest510198016. Archived from the original on 28 December 2013. Retrieved 1 November 2010. This article ends abruptly after the quote cited above.