=LDR 00000nam a2200000ui 4500 =001 2754 =008 250530s1974\\\\xx\|||||||||||||||||eng\d =082 04$a551.31 MAC =100 1\$aMackay, J. Ross =245 10$aIce-wedge cracks, Garry Island, Northwest Territories =260 \\$c1974 =852 \\$bFreeman Library$cPamphlets$h551.31 MAC