Here the National Coal Board is investing Government money to sink new deep mines, each costing about £50 million.

She patrolled, sank mines, and duelled with shore batteries between 9 and 16 July.

Paravanes streamed from her bows, and Marines were stationed in her upperworks to sink or explode floating mines.

Avoyel sank several mines with rifle fire; and, on 7 September, Allied occupation forces began steaming through the cleared area toward the Korean mainland.

Walton next returned to Jinsen, hunting for and sinking stray mines while acting as an escort.

For another two weeks, Sea Devil remained in the area, looking for and sinking naval mines.

He promoted agriculture, trade, and industry, sank new mines, sent students abroad to Protestant universities, and prohibited landlords from denying an education to children of serfs.

Over the ensuing three weeks, she screened the larger units of the fleet against a submarine threat that probably did not exist and sank mines.

She later sank several more floating mines while screening the carriers against air attacks.

Five merchants she was escorting also sank top mines at the same spot.