Rokmaster Drills 34.75 M Wide Zinc-Lead Zone Hosting Significant Silver at Duncan Lake Zinc Project. https://www.newswire.ca/news-releases/rokmaster-drills-34-75-m-wide-zinc-lead-zone-hosting-significant-silver-at-duncan-lake-zinc-project--860378694.html Rokmaster Resources Corp. May 17, 2022, 06:00 ET VANCOUVER, BC, May 17, 2022 /CNW/ - Rokmaster Resources Corp. (TSXV: RKR) (OTCQB: RKMSF) (FSE: 1RR1)