Technology Services Branch (TSB)
The Technology Services Branch (TSB) is composed of: IT Specialists (Application Software/System Analysis, Network System Administration, and System Analysis), Geographers, Geologists, Mine Map Program Specialists, and Supervisory Program Specialists.
TSB provides technical support to various entities throughout the region, including:
TSB also operates, oversees, and houses the National Mine Map Repository (NMMR), an archive of all coal & non-coal, surface & deep, mines throughout the United States.
Looking for a map? Visit the National Mine Map Repository (NMMR) website to search the Mine Map Index System.
Established by the Federal Coal Mine Health and Safety Act of 1969, the National Mine Map Repository (NMMR) collects and maintains mine map information and images for the entire country, including data and maps of coal mines in the anthracite coal region of northeastern Pennsylvania. The oldest maps in the archive originate from the Appalachian Region. The oldest map we have right now is from 1792! Read More >
Looking for a map? Search the Mine Map Index System. Maintained by the National Mine Map Repository (NMMR), the index system allows visitors to search the database listing of mine maps available from NMMR.