This Miscellaneous Report includes the presentation that was prepared to accompany the release of YGS Open File 2020-42, Geology of the Keno Hill district by Peter Read, Al McOnie and Seymour Iles, and presented at the 2020 Virtual Yukon Geoscience Forum in November 2020. The authors have prepared this version along with detailed notes in order to support the release of their new map for the Keno Hill district. The notes provided in this companion report will greatly facilitate the exploration of the many details included on the maps and cross sections in Open File 2020-42.