000 00412nam a2200157Ia 4500
003 IN-BaIIA
008 211028s9999 xx 000 0 eng d
040 _cIIA Library
080 _a528.73
_bJAM
100 _aClarke
_9140
245 0 _aOrdnance survey
_baccount of the principal triangulation
_cClarke
260 _aLondon
_bPalmer and Clayton
_c1858
300 _a782p.
650 _aSurvey report
_9141
942 _cBK
999 _c91
_d91