1. Coal Mining EGEE 211 By: Dave Grube, Patrick Ciarrocchi, Andy Sankovich, John Ritter

2. Old Time Mining • Main Parts of the Underground Mine • The Main • Rock man • Rooms • About 24 feet wide • The Face • Working surface of the mine http://www.lib.iup.edu/spec_coll/articles/old_time_mining.html

3. Old Time Mining • Common Machines and Tools • Picks & shovels • Early auger & drill • Early Cutting Machines • Powered by compressed air • Later by electricity • Explosives • What type depended on the coal • Davy Lamp

4. Old Time Mining • Examples of Personal Equipment • Leather hats • Torch Lamps • Called “Sunshine Lamps” • Carbide Lamps • Lunch bucket • In-Out Token

5. Old Time Mining • Transportation of Coal • Mules and Coal cars • Rope Haulage • Roller tenders • Motor Haulage • Wiremen • Small Electric Locomotives • Face Conveyor • Employed in later years http://www.lib.iup.edu/spec_coll/articles/old_time_mining.html

6. Old Time Mining • Some Early Jobs in the Mine • Motorman • Spragger • Trapper • Dock Boss • Barn Boss • Pick Miner • Shot-firer http://www.lib.iup.edu/spec_coll/articles/old_time_mining.html

7. Old Time Mining • Some Early Jobs (cont.) • Fire boss • Foreman • Cutter & Scraper

8. Old Time Mining • Common way to shoot coal before the 1940s • Make a V-shaped cut with pick underneath the coal seam • Prop it up with wood • Make a small pocket for the auger • Auger the hole out • Roll up explosive in a tube of newspaper • Tamp • Squib the charge • Yell Fire! Three times • Light the Squib and run

9. Modern Coal Mining • Machines and Tools used in Underground Mining • Continuous Miner • Long-wall Miner • Used in Long-wall Mining • Ex. Consol Energy mines in PA • Shuttle cars (“man-trip”) • Roof Bolters • Scoops • Ventilation Fans • Rock Dusters • Other Loading Machines http://www.joy.com/jmm/photo_gallery

10. Modern Coal Mining • Examples of Personal Equipment • Plastic Hard Hats • Electric Lights • Self-rescuers • Lunch Bucket • Changed little from 100 years ago • In-Out Token

11. Modern Coal Mining • Today’s Jobs • The increasing development of technology made the early jobs in the mine obsolete • Very few miners today compared to 50 years ago • Gross tonnage has increased with less miners due to technology http://www.consolenergy.com/

12. Sources • http://www.coaleducation.org/technology/Pictorial_History.htm • http://www.lib.iup.edu/spec_coll/articles/old_time_mining.html • http://www.joy.com/jmm/photo_gallery/photo-display.html?12CM27-Underground