Geological Survey (U.S.) creator Zartman, Robert E. Abston, C. C. (Carl C.) Bush, Charles A. text theses vau Reston, Va.?] Denver, Colo The Survey For sale by USGS Distribution Branch] 1995 monographic eng

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Computer data and program.

1 computer laser optical disc col. 4 3/4 in. The 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. A. 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. specialized U.S. Department of the Interior, U.S. Geological Survey. Title from container insert. Shipping list no.: 95-006-E. Disk Characteristics: CD-ROM System 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. Geological time Databases CD-ROM Fed. Doc Radioactive substances Databases I 19.121:14 I 19.121:14 GIS 950222 20200624062620.0 197194