An ROV retrieved a 45ft (13.7m) broken steel borehole rod from the lakebed in the Straits of Mackinac in Michigan.
Full article at: WKZO, Will Kriss, 30dec19
An ROV retrieved a 45ft (13.7m) broken steel borehole rod from the lakebed in the Straits of Mackinac in Michigan.
Full article at: WKZO, Will Kriss, 30dec19