Bob Hafner

Abandoned Engineering - Season 6

Abandoned Engineering - Season 11

Bering Sea Gold - Season 7

Bering Sea Gold - Season 11

Abandoned Engineering - Season 12

Abandoned Engineering - Season 7

Bering Sea Gold - Season 10

Bering Sea Gold - Season 17

Mysteries of the Abandoned - Season 3

Bering Sea Gold - Season 14

Bering Sea Gold - Season 2

Abandoned Engineering - Season 2

Mysteries of the Abandoned - Season 10

Abandoned Engineering - Season 5

Abandoned Engineering - Season 14

Bering Sea Gold - Season 15

Abandoned Engineering - Season 9

Mysteries of the Abandoned - Season 8

Bering Sea Gold - Season 8

Abandoned Engineering - Season 10

Abandoned Engineering - Season 3

Bering Sea Gold - Season 19

Mysteries of the Abandoned - Season 7

Bering Sea Gold - Season 4

Mysteries of the Abandoned - Season 2

Bering Sea Gold - Season 6