http://www.crs.gov
https://www.treesearch.fs.fed.us/pubs/34525
http://www.census.gov/
http://www.census.gov/
http://www.randomlengths.com
http://www.census.gov/construction/chars/
http://www.uslumbercoalition.org/doc/
http://www.nahb.org/
http://www.randomlengths.com/
http://nahbnow.com/2016/03/nahb-forms-coalition-dedicated-to-free-lumbertrade/
http://www.nrcan.gc.ca/forests/canada/ownership/17495
https://apps.gov.bc.ca/pub/geometadata/metadataDetail.do?recordUID=32891&recordSet=ISO19115
http://www.treesearch.fs.fed.us/pubs/47322
http://canlii.ca/t/ks3n
http://www.randomlengths.com
https://www.commerce.gov/news/pressreleases/2017/11/us-department-commerce-finds-dumping-and-subsidization-imports-softwood
http://enforcement.trade.gov/download/factsheets/factsheet-canada-softwood-lumber-ad-prelim-062617.pdf
https://www.commerce.gov/sites/commerce.gov/files/softwood_lumber_canada_ad_cvd_final_fact_sheet.pdf
http://www.fpl.fs.fed.us/documnts/fplrp/
http://www.ustr.gov/webfm_send/