000			00550nam a2200181Ia 4500
008			160906s9999 xx 000 0 und d
110			_aUnited States of America, Mapping science committee l
245			_aTowards a coordinated spatial data infrastrcuture for the nation
260			_aWashington, D C
260			_bNational academy press
260			_c1993
300			_axv,169p.; ill.
650			_aData infrastructure
650			_aGeography - mapping
650			_aLocal governments
650			_aNations cadastre
650			_aSpatial data
999			_c83801 _d83801