These data sets are searched thousands of times per year, and results are provided in hard copy and magnetic media to the general public, consultants, industry, government, and researchers. These data bases are summarized below. A variety of records, such as drillers' logs, wireline logs, well-location survey plats, plugging affidavits, and completion reports, are on file for an estimated 225,000 wells. Approximately 108,000 of these records are computerized. Custom printouts based on user specifications can be made on request.
Data are also available in electronic format.
Data are also available in electronic format. Currently, over 30,000 coal-thickness measurements are available for the Eastern and Western Kentucky Coal Fields. Coal-production data are available by year, county, and type of production from 1890 to the present.