TY - RPRT TI - Hydrocarbon gases associated with permafrost in the Mackenzie Delta, Northwest Territories, Canada AU - T. S. Collett AU - S.R. Dallimore PY - 1999 DO - 10.1016/s0883-2927(98)00087-0 UR - https://pubs.usgs.gov/publication/70021510 ID - 70021510 ER -