Tools
U.S. Geological Survey coal quality (COALQUAL) database
- Title
- U.S. Geological Survey coal quality (COALQUAL) database [electronic resource] / United States Geological Survey.
- Format
- Online Resource CD-ROM
- Version
- Version 1.3.
- Published
- [Reston, Va.] : U.S. Geological Survey, 1994.
- Description
- 1 computer laser optical disk ; 4 3/4 in.
- Operating require
- System requirements: IBM PC or compatible; 640 kb RAM; MS- or PC-DOS 3.1 or higher; Microsoft MSCDEX 2.1 or higher; CD-ROM drive with ISO 9660 software driver; EGA/VGA graphics system.
- Other contributors
- Geological Survey (U.S.)
- Uniform series
- U.S. Geological Survey open-file report ; 94-205.
- Notes
- Title from title screen. Title from disk label: U.S. Geological Survey coal quality (COALQUAL) database. Includes bibliographical references.
- Summary
- Reports coal quality data for coal samples that represent complete-bed thicknesses at various localities.
- Subject headings
- Coal--Geology--United States--Databases. Coal--Analysis--Databases.