Calgary, Alberta--(Newsfile Corp. - August 5, 2025) - Canadian Critical Minerals Inc. (TSXV: CCMI) (OTCQB: RIINF) ("CCMI" or the "Company") is deeply saddened to share the news of the passing of David W. Johnston, founder of Braveheart Resources (now Canadian Critical Minerals Inc.). David was a true pioneer in the Canadian mining industry and an active member of the Calgary business community for many years. A former miner with Hudson Bay Mining and Smelting, David went on to become a successful entreprene ...