http://www.denverpost.com/breakingnews/ci_23091371/colorado-fracking-database-questioned
The Denver Post
Colorado fracking database questioned by Harvard study

<p style="margin-left:20px"><a href="https://www.harvardmagazine.com/2012/12/frackings-future " target="_blank"> <img src="https://harvardmagazine.com/sites/default/files/HM_forWebRedesign_final.png" alt="View related Harvard Magazine article" title="View related Harvard Magazine article">Read more on this topic in <span style="font-style:italic; font-weight:600;">Harvard Magazine</span></a></p>