Blackrock Silver Corp.: Blackrock Acquires Strategic Claim Block at Tonopah West Vancouver, British Columbia--(Newsfile Corp. - April 6, 2021) - Blackrock Silver Corp. (TSXV: BRC) (the " Company") is pleased to announce that its wholly-owned subsidiary Blackrock Gold Corporation has entered a Property Exchange Agreement with Nevada Select Royalties, Inc., the wholly-owned subsidiary of Ely Gold Royalties Inc., and three other landowners who have surface use rights on certain of the lands within the Company's Tonopah West project located in the Walker Lane trend in Nevada. Under the agreement,...