en.wikipedia.org/wiki/Maple_syrup

vermontmaple.org/how-we-make-it/

It takes 40 gallons of sap to make each gallon of

maple.dnr.cornell.edu/pubs/maple_syrup_production.pdf

www.maplesyrupworld.com/pages/Top-Regions-Producers-of-Maple-Syrup.html

MapleSyrupWorld Top Regions

www.purecanadamaple.com/pure-maple-syrup/facts-about-maple-syrup/

Pure Canadian

www.statista.com/statistics/372295/us-maple-syrup-production-share-by-state/

This statistic depicts the share of

extension.psu.edu/business/ag-alternatives/forestry/maple-syrup-production

The

www.farmanddairy.com/top-stories/vermont-still-leads-u-s-in-maple-syrup-production/265545.html

Jun 15, 2015

www.usatoday.com/story/news/nation/2014/01/26/new-maple-syrup-standards/4903511/

Jan 26, 2014