[1] Rule 609: Statewide Groundwater Baseline Sampling and Monitoring; Colorado Oil and Gas Conservation Commission: Denver, CO, 2013.
[2] Son, J.H. and Carlson, K.H. (2014) Real-Time Surrogate Analysis for Potential Oil and Gas Contamination of Drinking Water Resources. Applied Water Science, 5, 283-289.
[3] Colorado Oil and Gas Conversation Commission GIS Data.
[4] US Geological Survey DJ Basin GIS Data. http://certmapper.cr.usgs.gov/data/noga00/prov39/spatial/doc/pr39bndg.htm
[5] Canary User’s Manual Version 4.3.2; EPA 600/R-08/040B; United States Environmental Protection Agency: Washington DC, 2012.