000 00824cam a2200241u 4500
003 GSU
005 20260505092140.0
008 830613s1920 enkabf 000 0 eng
040 _aDLC
_cGSU
_dGSU
_beng
_erda
050 0 0 _aTA545
_bTHR
100 1 _aThrelfall, Harold Spencer.
_eauthor
245 0 2 _aA text-book on surveying and levelling /
_cH. Threlfall
250 _aThird edition
_brevised and enlarged
264 4 _aLondon :
_bC. Griffin & Company,
_c1920.
300 _axix, 689 pages :
_billustrations, folded plates, folded maps ;
_c20 cm.
336 _atext
_btxt
_2rdacontent
337 _aunmediated
_bn
_2rdamedia
338 _avolume
_bnc
_2rdacarrier
504 _aIncludes index.
650 0 _aSurveying.
650 0 _aLeveling.
942 _2lcc
_cBK
_eThird edition, revised and enlarged
_hTA545
_kTA
_mTHR
_n0
999 _c2620
_d2620