Show freezing of air line aej makes trouble jg for mines the cold weather of the past week caused the temporary suspension ff of some of the mining operations at the knight 7 properties when the 2 big air line which connects the compressor plant with various properties of the company was croben up it Is some 7 thing unusual ay for such a line to freeze but occasionally frost gathers on the inside 37 of the pipe then and the water settles and 1 freezes ff in parts of the I 1 ne that are vav lowest w As quickly aya as possible the line was thawed ew out and work resumed |