Title: Colorado coal quality data
Description: Contains the verified coal quality data that has been collected by the Colorado Geological Survey as part of the National Coal Resources Data System (NCRDS) and contains five separate databases of coal chemical and petrographic data. Text files are in Microsoft Word 97 format and data files are in Microsoft Access 97 and Excel 97 formats.
Subjects: Coal, Industrial minerals, Mines and mineral resources, Analysis
Places: Colorado