| Petrography of Ardley Coals, Alberta - Implications for Coalbed Methane Potential Type: Special Report Publication ID: SPE 055 Updated: | Kalkreuth, W.D., Langenberg, C.W. | |
| Coal Geology and its Application to Coal-Bed Methane Reservoirs; Lecture Notes for Short Course Type: Information Series Publication ID: INF 109 Updated: | Langenberg, C.W., Kalkreuth, W.D., Levine, J., Strobl, R.S., Demchuk, T., Hoffman, G.L., Jerzykiewicz, T. | |
| Geology and Coal Quality of the Cadomin-Luscar Coal Field, Alberta Type: Open File Report Publication ID: OFR 1989-09 Updated: | Langenberg, C.W., Macdonald, D.E., Kalkreuth, W.D. | |
| A Regional Evaluation of Coal Quality in the Northern Foothills/Mountains Region of Alberta Type: Open File Report Publication ID: OFR 1989-01 Updated: | Macdonald, D.E., Langenberg, C.W., Gentzis, T., Kalkreuth, W.D. | |
| Coal Quality variation in the Cadomin-Luscar coalfield, Alberta Type: Earth Sciences Report Publication ID: ESR 1989-01 Updated: | Langenberg, C.W., Macdonald, D.E., Kalkreuth, W.D., Strobl, R.S. | |
| An Initial Assessment of Controls of Coal Quality Variation in the Cadomin-Luscar Coalfield Type: Open File Report Publication ID: OFR 1988-06 Updated: | Langenberg, C.W., Macdonald, D.E., Kalkreuth, W.D., Strobl, R.S., Bahnsen, B. | |
| Sedimentation and Deformation of Lower Cretaceous Strata of the Cadomin-Luscar Coal Field, Alberta Type: Open File Report Publication ID: OFR 1988-10 Updated: | Langenberg, C.W., Macdonald, D.E., Kalkreuth, W.D. | |
| Deformed Lower Cretaceous coal-bearing strata of the Grande Cache area, Alberta Type: Bulletin Publication ID: BUL 056 Updated: | Langenberg, C.W., Kalkreuth, W.D., Wrightson, C.B. | |
