00280nam a2200109Ia 4500082002400000100002500024245003600049260003600085300003900121500000500160700000500165  a309.100994bH751.GB  aHolmes, J. Macdonald  aGeographical basis of Keylineb  aSydneybAngus & Robertsonc1960  a52p. 11 Photographs and 7 diagrams  a  a