00270nam a22000977a 4500082001300000100001700013245003400030942000700064999001700071952008400088  a526.9TRA  aTracy John C  aSurveying theory and practice  cBK  c15165d15165  01104070aQUESTCLbREFd2016-01-14l0o526.9TRAp182r2016-01-14 00:00:00yBK