000			02090nam a2200397Ia 4500
001			197194
003			BIBL
005			20200624062620.0
008			950222s1995 vaun f m f eng d
035			_a(OCoLC)32033586
040			_aGIS _cGIS _dGPO _dCUV _dGPO
049			_aPUXA
074			_a0621-K
086	0		_aI 19.121:14
090			_aQE508 _b.G3958 1995
110			_aGeological Survey (U.S.) _2Local _9227708
245	1	0	_aNational geochronological and natural radioelement data bases _h[computer file] _cU.S. Department of the Interior, U.S. Geological Survey.
246	3	4	_aNational geochronological data base
246	3	4	_aNatural radioelement data base
256			_aComputer data and program.
260			_a[Reston, Va.?] _bThe Survey _a[Denver, Colo. _bFor sale by USGS Distribution Branch] _c1995.
300			_a1 computer laser optical disc _bcol. _c4 3/4 in.
490		0	_aU.S. Geological Survey digital data series _vDDS-14 _2Local _9182290
500			_aTitle from container insert.
500			_aShipping list no.: 95-006-E.
500			_aDisk Characteristics: CD-ROM
505	1		_aA. National geochronological data base / by Robert E. Zartman, Charles A. Bush, and Carl Abston -- B. Natural radioelement data base / by Charles A. Bush and Carl Abston.
520			_aThe NGDB contains more than 30,000 individual published ages of rocks and minerals in the United States; while the NRDB contains analyses of the natural radioelements from more than 8500 whole rocks.
538			_aSystem requirements: IBM or compatible personal computer; 640 kb RAM; MS or PC-DOS version 5.0 or later; SVGA graphics card (640x480); SGVA color monitor; Microsoft MSCDEX version 2.1 or later; CD-ROM drive with ISO 9660 software driver; hard disk drive.
650		0	_aGeological time _xDatabases. _2Local _9101961
650		0	_aCD-ROM Fed. Doc. _2Local _971074
650		0	_aRadioactive substances _xDatabases. _2Local _9156453
700	1	0	_aZartman, Robert E. _2Local _9191819
700	1	0	_aAbston, C. C. _q(Carl C.) _2Local _948590
700	1	0	_aBush, Charles A. _2Local _967181
999			_c149157 _d149157