1. Geology, northwest part of Asiak thrust-fold belt, Wopmay Orogen, District of Mackenzie, Northwest Territories Yale Public content 1992. 2012-07-16T20:09:42Z. 2012-07-16T20:09:42Z. Tirrul, R. The Survey. English. Public. Northwest Territories, Atanarik Lake Region, and Atanigi Lake Region.