000 00309 a2200133 4500
080 _a526.9
_bT 463 S
245 1 _aSurveying
_cby W.N. Thomas
250 _a4th edn.
260 _aLondon
_bEdward Arnold & Company
_c1952
650 _aSurveying
100 1 _aThomas, W.N.
_d
300 _a564 p.
901 _a73839
999 _c25631
_d25631