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Circle
(Keystone)
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YearOperation NameNumberTypeOpeningDistrictCityCountyCompany NameRailroad Shipments (tons)Railroad to MineTruck Shipments (tons)Total Production (tons)Days WorkedEmployeesNotes
1882Keystone CollieryTunnelEasternGlenwoodLackawannaHillside Coal & Iron Co.00663339 
1883Keystone CollieryTunnelEasternGlenwoodLackawannaHillside Coal & Iron Co.0048,094241119 
1885Keystone CollieryDrift1GlenwoodLackawannaHillside Coal & Iron Co.61,183D&H Canal061,183186190 
1886Keystone CollieryTunnel1GlenwoodLackawannaHillside Coal & Iron Co.118,7930118,951250529 
1887Keystone CollieryTunnel1GlenwoodLackawannaHillside Coal & Iron Co.145,5760145,867254308 
1888Keystone CollieryTunnel1MayfieldLackawannaHillside Coal & Iron Co.141,5380144,294267319 
1889Keystone CollieryTunnel1MayfieldLackawannaHillside Coal & Iron Co.104,5380106,738224322 
1890Keystone CollieryDrift1MayfieldLackawannaHillside Coal & Iron Co.100,1870101,647225244 
1891Keystone CollieryTunnel2MayfieldLackawannaHillside Coal & Iron Co.92,504094,304236208 
1892Keystone Colliery1MayfieldLackawannaHillside Coal & Iron Co.72,858074,658176195 
1893Keystone Colliery1MayfieldLackawannaHillside Coal & Iron Co.68,885069,985174201Of the total amount mined at Forest City shaft 75,395 tons were sent to Clifford Breaker.
1894Keystone Colliery1MayfieldLackawannaHillside Coal & Iron Co.45,086046,021148153 
1895Keystone Colliery1MayfieldLackawannaHillside Coal & Iron Co.42,776043,819165128 
1896Keystone Colliery1Mayfield 1LackawannaHillside Coal & Iron Co.36,068037,103143119 
1897Keystone Colliery1MayfieldLackawannaHillside Coal & Iron Co.35,059036,125133114 
1898Keystone Colliery1MayfieldLackawannaHillside Coal & Iron Co.40,599New York, Lake Erie and Western Railroad041,515147113 
1899Keystone Colliery1MayfieldLackawannaHillside Coal & Iron Co.46,996048,074175127 
1900Keystone Colliery1MayfieldLackawannaHillside Coal & Iron Co.38,776D&H039,687139117 
1901Keystone Colliery1MayfieldLackawannaHillside Coal & Iron Co.47,917D&H048,829161114 
1902Keystone Colliery1Mayfield 1LackawannaHillside Coal & Iron Co.34,494Erie035,304105117 
1903Keystone CollieryDrift2Mayfield 1LackawannaHillside Coal & Iron Co.60,594Erie061,400189115 
1904Keystone CollieryDrifts2Mayfield 1LackawannaHillside Coal & Iron Co.49,488Erie050,20016394 
1905Keystone CollieryDrift (3)2Mayfield 1LackawannaHillside Coal & Iron Co.47,490Erie048,22215898 
1906Keystone CollieryNo. 1 Drift / No. 2 Drift / No. 3 Drift (robbing)1Mayfield 1LackawannaHillside Coal & Iron Co.39,027Erie039,74217774 
1907Keystone CollieryDrift1Mayfield 1LackawannaHillside Coal & Iron Co.8,433Erie08,8256641 
1957Circle Mine2Mayfield 1LackawannaCircle Coal Co.2711,6963,3922218Coal prepared at Ace Breaker.
1958Circle Mine2Mayfield 1LackawannaCircle Coal Co.5768512,046525136Coal prepared at Ace Breaker.
1959Keystone MineSlope2Mayfield 1LackawannaCircle Coal Co.1847921,6261456Coal prepared at Ace Breaker.
1960Keystone MineSlope2Mayfield 1LackawannaCircle Coal Co.3771761,257856Ceased operation in July. Coal prepared at Ace Breaker.
1961Keystone Mine2Mayfield 1LackawannaH. & F. Coal Co.74945251035Ceased operation in May. Coal prepared at Ace Breaker.
1966Keystone27-2Stripping1Mayfield 1LackawannaHalsey Contracting Co.2,8032645,289855Coal prepared at Pompey Breaker.

Note 1: Added, does not appear in the mine inspection report.


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