A crane helicopter lining up the top portion of a power line tower with the base of the tower, for the construction of the Cooperative Power Association, Minneapolis, Minnesota/United Power Association, Elk River, Minnesota high voltage power line through Grant County, Minnesota.
Crane helicopter flying in the top portion of a power line tower nearing the tower base, for the construction of the Cooperative Power Association, Minneapolis, Minnesota/United Power Association, Elk River, Minnesota high voltage power line through Grant County, Minnesota.
A closer view of a crane helicopter flying in the top portion of a power line tower for the construction of the Cooperative Power Association, Minneapolis, Minnesota/United Power Association, Elk River, Minnesota high voltage power line through Grant County, Minnesota.
Crane helicopter flying in the top portion of a power line tower for the construction of the Cooperative Power Association, Minneapolis, Minnesota/United Power Association, Elk River, Minnesota high voltage power line through Grant County, Minnesota.
Crane helicopter flying in the top portion of a power line tower for the construction of the Cooperative Power Association, Minneapolis, Minnesota/United Power Association, Elk River, Minnesota high voltage power line through Grant County, Minnesota.
View of a helcopter flying around a completed Cooperative Power Association, Minneapolis, Minnesota/United Power Association, Elk River, Minnesota power line tower in Grant County, Minnesota. The top three-fourths of tower is visible.
View of a helcopter flying around a completed Cooperative Power Association, Minneapolis, Minnesota/United Power Association, Elk River, Minnesota power line tower in Grant County, Minnesota. The top two-thirds of tower is visible.
Helicopter hauling in a pulley for the Cooperative Power Association, Minneapolis, Minnesota/United Power Association, Elk River, Minnesota power line tower construction through Grant County, Minnesota.
View from below of a helicopter with tow cable working on the Cooperative Power Association, Minneapolis, Minnesota/United Power Association, Elk River, Minnesota power line towers in Grant County, Minnesota.
A crane helicopter keeps the top portion of a power line tower in place while workers connect it to the base of the tower, for the construction of the Cooperative Power Association, Minneapolis, Minnesota/United Power Association, Elk River, Minnesota high voltage power line through Grant County, Minnesota.