http://pfds.opensecrets.org/N00033177_2014_A.pdf United States Senate Financial Disclosures: Annual Report for Calendar 2013 (Amendment 1): The Honorable Timothy M. Kaine (Kaine, Tim), (filed July 22, 2015).
Sean Gorman, Macker-Meter: Preserve 400,000 acres of open spaceArchived 2016-07-16 at the Wayback Machine, PolitiFact Virginia (June 1, 2015): "It's becoming a tradition for winning gubernatorial candidates to make campaign promises to preserve 400,000 acres from development. Tim Kaine did it in 2005 and state figures show he met his pledge."
Sean Gorman, Macker-Meter: Preserve 400,000 acres of open spaceArchived 2016-07-16 at the Wayback Machine, PolitiFact Virginia (June 1, 2015): "It's becoming a tradition for winning gubernatorial candidates to make campaign promises to preserve 400,000 acres from development. Tim Kaine did it in 2005 and state figures show he met his pledge."