Denison Announces Expansion of High-Grade Uranium Mineralization at McClean Lake South https://www.newswire.ca/news-releases/denison-announces-expansion-of-high-grade-uranium-mineralization-at-mcclean-lake-south-800462884.html Denison Mines Corp. Sep 08, 2022, 06:30 ET TORONTO, Sept. 8, 2022 /CNW/ - Denison Mines Corp. ("Denison" or the "Company") (TSX: DML) (NYSE American: DNN)