1. Alberta Geological Survey/Alberta Energy Regulator, 402, Twin Atria Building, 4999 - 98 Avenue, Edmonton, Alberta T6B 2X3, Canada
2. Geological Survey of Canada, 3303 33 Street Northwest, Calgary, Alberta T2L 2A7, Canada
3. University of Alberta, Department of Earth & Atmospheric Sciences, 1-26 Earth Sciences Building, Edmonton, Alberta T6G 2E3, Canada