|
|
County | No. of Underground Mine Operators | No. of Underground Mines | No. of Underground Mine Employees | Hours Worked at Underground Mines | No. of Tons Produced at Underground Mines |
Columbia | 1 | 1 | 41 | 82,296 | 113,031 |
Dauphin | 2 | 2 | 6 | 8,760 | 3,526 |
Northumberland | 2 | 2 | 11 | 16,991 | 7,808 |
Schuylkill | 6 | 6 | 33 | 50,188 | 47,355 |
REGION TOTALS | 11* | 11 | 91 | 158,235 | 171,720 |
*Because some companies may operate in more than one county, this figure may not equal the sum of the individual county totals.