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Benches at Mine
Benches at Mine
Blasthole Drills in Winter
Blasthole Drills in Winter
Bob Harkins interview with Bruce Douglas
Bob Harkins interview with Bruce Douglas
Bob Harkins interview with Charles, John and Sonja Houghtaling
Bob Harkins interview with Charles, John and Sonja Houghtaling
Bob Harkins interview with Frank Leonard
Bob Harkins interview with Frank Leonard
Bob Harkins interview with Ivor Guest
Bob Harkins interview with Ivor Guest