 VANCOUVER, British Columbia, Dec. 03, 2020 GLOBE NEWSWIRE -- Integra Resources Corp. Integra or the Company TSX-V:ITR ; NYSE American: ITRG is pleased to announce the engagement of Mine Development Associates, a division of RESPEC MDA as the lead consultant for the Pre-Feasibility Study the PFS at the DeLamar Gold-Silver Project in southwest Idaho. 