First Mining Files Preliminary Base Shelf Prospectus and Registration Statement

VANCOUVER, BC, Sept. 3, 2021 /PRNewswire/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX:FF) (OTCQX:FFMGF) (FRANKFURT: FMG) announces that it has filed a preliminary short form base shelf prospectus (the "Preliminary Shelf Prospectus"