Photographs of historical mining operations in Colorado and Utah from the U.S. Geological Survey Library  [computer file] 
U.S. Department of the Interior, U.S. Geological Survey ; by Joseph K. McGregor and Carl Abston. 
 - [Reston, Va.?]  [Denver, Colo.  The Survey  For sale by USGS Distribution Branch]  1994. 
 - 1 computer laser optical disk  col.  4 3/4 in. 
 - U.S. Geological Survey digital data series  DDS-12 .
<br/><br/> Title from container insert.  Shipping list no.: 94-0014-E.  Disk Characteristics: CD-ROM 
<br/><br/> Contains 558 scanned photographs from the U.S. Geological Survey Photographic Library that provide literal snapshot views of Colorado and Utah mining operations. Each approximately 1.16 megabytes and stored in a PCX format. 
<br/><br/><br/>System requirements: IBM or compatible personal computer; 640 kb RAM; MS- or PC-DOS 5.0 or later; SVGA graphics card (640x480x256 colors); SGVA color monitor; Microsoft MSCDEX version 2.1 or later; CD-ROM drive with ISO 9660 software driver; hard disk drive. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mines and mineral resources--History--Pictorial works--Databases.--Colorado<br/>CD-ROM Fed. Doc.<br/>Mines and mineral resources--History--Pictorial works--Databases.--Utah
<br/><br/><label>GPO Item No.: </label>0621-K 
<br/><br/><label>Gov. Doc. Class. No.: </label>I 19.121:12