For the past 5 years, Alberta Geological Survey, as part of a consortium of federal and provincial government agencies and industry partners, conducted a number of projects characterizing the subsurface geology and hydrogeology of acid gas injection operations. Drs. Maja Buschkuehle and Shahin Dashtgard led a field trip in September 2006, for representatives of the consortium. The field trip was entitled "Source to Sink - Sour Gas Production and Acid Gas Injection in the Rocky Mountain Foothills and Alberta Plains.