000 00856cab a2200265 4500
001 ABS56021
008 090401t1996 xxu||||| |||| 00| 0 eng d
035 _a(Sirsi) u20475
041 _aeng
100 _aMackie, A.
245 _aWhere on earth are we with GPS?
260 _c1996
350 _a0
490 _aForestry & British Timber
_v25(10) October 1996, 39-41(3)
520 _aExplains in basic terms what GPS is and how it is being used as a survey tool to establish the progression of windthrow in forest areas. Considers limitations of GPS under tree canopies.
650 _aDIFFERENTIAL GLOBAL POSITIONING SYSTEMS
650 _aFOREST MANAGEMENT
650 _aGLOBAL POSITIONING SYSTEMS
650 _aWINDTHROW
690 _aLAND SURVEYING
700 _aBell, P.
700 _aQuine, C.
942 _n0
948 _c04/03/1997
999 _c13717
_d13717