1. Aravena R, Wassenaar LI, Barker JF (1995) Distribution and isotopic characterization of methane in a confined aquifer in southern Ontario, Canada. J Hydrol 173:51–70
2. Cheung K, Klassen P, Mayer B, Goodarzi F, Aravena R (2010) Major ion and isotope geochemistry of fluids and gases from coalbed methane and shallow groundwater wells in Alberta, Canada. Appl Geochem 25:1307–1329
3. Council of Canadian Academies (2014) Environmental impacts of shale gas extraction in Canada. The Expert Panel on Harnessing Science and Technology to Understand the Environmental Impacts of Shale Gas Extraction, Council of Canadian Academies, Ottawa
4. Dawson F, Kalkreuth W, Sweet AR (1994a) Stratigraphy and coal resource potential of the upper Cretaceous to Tertiary strata of northwestern Alberta. Geol Surv Canada Bull 466:1–60
5. Dawson FM, Evans CG, Marsh R, Richardson R (1994b) Uppermost Cretaceous and Tertiary strata of the Western Canada sedimentary basin. In: Mossop G, Shetsen I (eds) Geological atlas of the Western Canada Sedimentary Basin. Special report 4, Canadian Society of Petroleum Geologists and Alberta Research Council, Calgary, AB, pp 387–406