Groundwater methane in relation to oil and gas development and shallow coal seams in the Denver-Julesburg Basin of Colorado.
Sherwood OA, Rogers JD, Lackey G, Burke TL, Osborn SG, Ryan JN. Groundwater methane in relation to oil and gas development and shallow coal seams in the Denver-Julesburg Basin of Colorado. Proc Natl Acad Sci U S A. 2016 07 26; 113(30):8391-6.