check out this interactive GNWT siteThis interactive GNWT site catalogues every mineral lease in the NT.
https://apps.geomatics.gov.nt.ca/Html5_SDW/Index.html?configBase=https://apps.geomatics.gov.nt.ca//Geocortex/Essentials/REST/sites/NWT_Mineral_Tenure_Webmap/viewers/NWT_Mineral_Tenure_Webmap/virtualdirectory/Resources/Config/Default