Power supply station at Carrickerry in 1971.

Power supply station at Carrickerry in 1971.

Power supply station at Carrickerry in 1971.

Power supply station at Carrickerry in 1971.

Power supply station at Carrickerry in 1971.

Power supply station at Carrickerry in 1971.

Power supply station at Carrickerry in 1971.

Power supply station at Carrickerry in 1971.

Power supply station at Carrickerry in 1971.

Power supply station at Carrickerry in 1971.