000			00457nam a2200145Ia 4500
008			250428s9999 xx 000 0 und d
082			_aM 623.8949 D234 1995
245		0	_aDatums for hydrographic surveys (and other related subjects) : admiralty tidal handbook no. 2.
260			_bHydrographic department.
260			_c1975
526			_a600 Technology (App Sciences)
650			_aTidal currents -- Maps -- Periodicals.
942			_2DDC
942			_cB
999			_c10049 _d10049