003430000a22001210004500060000800000082001400008100001700022245007200039260003100111260000900142300000800151650006200159  a100  a526.9 CLA  aClark, David  aPlane and geodetia  Surviving : for Engineers V2  Higher Surveying.  aLondon, Constable & co Ltd  c1923  a582  aMathemetical Geography/ Surveying/  Geodetic/  Astronomy/