000 00272 a2200121 4500
080 _a526.9
_bH 636 H
245 1 _aElementary surveying
_cby A.L. Higgins
260 _aLondon
_c1947
650 _aSurveying
100 1 _aHiggins, A.L.
_d
300 _a156 p.
901 _a32648
999 _c25626
_d25626