@TechReport{348208278, title="Hydrogeochemical investigations of historic mining districts, central western slope of Colorado, including influence on surface-water quality", series="Digital data series 73", year="2002", edition="[Elektronische Ressource], Version 1.0", address="[Reston, Va.]", note="by J. Thomas Nash", note="Systemvoraussetzungen: The data and text on this CD-ROM require a computer system with a CD-ROM reader capable of reading the ISO 9660 standard.", note="Systemvoraussetzungen: Abode Acrobat Reader 5.0 is required to access the written report. Installers for Reader 5.0 are contained in the Acrobat folder at the root directory of this CD-ROM for Windows and Macintosh platforms (these are the only platforms for which Reader 5.0 is presently available)", isbn="0607984902", language="English" }