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Robertson & Law Coal Co.
(John M. Robertson & Co.)
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YearOperation NameNumberTypeOpeningDistrictCityCountyCompany NameRailroad Shipments (tons)Railroad to MineTruck Shipments (tons)Total Production (tons)Days WorkedEmployeesNotes
1886 Katydid CollieryTunnel2Moosic Twp.LackawannaJohn M. Robertson14,574015,48719745 
1887 Katydid CollieryTunnel2Moosic Twp.LackawannaJohn M. Robertson11,459013,03216757 
1889 Katydid CollierySlope2Moosic Twp.LackawannaJohn M. Robertson18,221019,98419169 
1890 Katydid CollierySlope2Moosic Twp.LackawannaJohn M. Robertson22,728024,51418778 
1891 Katydid CollierySlope3AvocaLuzerneJohn M. Robertson & Co.23,804025,71520795 
1892 Katydid CollierySlope3AvocaLuzerneJohn M. Robertson & Co.30,937032,661202100 
1893 Katydid CollierySlope3AvocaLuzerneJohn M. Robertson & Co.51,054053,044203149 
1894 Katydid CollierySlope3AvocaLuzerneJohn M. Robertson & Co.47,381049,426157144 
1895 Katydid CollierySlope3AvocaLuzerneRobertson & Law46,530048,763140155 
1896 Katydid CollierySlope3AvocaLuzerneRobertson & Law57,265059,452143158 
1897 Katydid CollieryTunnels3AvocaLuzerneJohn M. Robertson & Co.57,467059,712127174 
1898 Katydid CollierySlope3AvocaLuzerneJohn M. Robertson & Co.54,132DL&W057,916107175 
1899 Katydid CollierySlope3AvocaLuzerneRobertson & Law80,526084,572114181 
1900 Katydid CollierySlope3AvocaLuzerneRobertson & Law68,914E&WV073,205173190 
1901 Katydid CollieryTunnel / Slope3AvocaLuzerneRobertson & Law74,605E&WV078,712197194 
1902 Katydid CollierySlope3Avoca 1LuzerneRobertson & Law49,649E&WV052,111121196 
1903 Katydid CollierySlope6Avoca 1LuzerneRobertson & Law87,262E&WV091,890220212 
1904 Katydid CollierySlope6Avoca 1LuzerneRobertson & Law Coal Co.67,553E&WV072,052191205 
1905 Katydid CollieryNo. 1 Slope / No. 2 Slope6Avoca 1LuzerneRobertson & Law Coal Co.57,655Erie061,995185172 
1906 Katydid CollierySlope5Avoca 1LackawannaRobertson & Law Coal Co.52,895Erie059,638271113 
1907 Katydid CollierySlope5Avoca 1LackawannaRobertson & Law52,445Erie068,526316115 
1908 Katydid CollierySlope5Avoca 1LackawannaRobertson & Law18,592Erie024,959132101Abandoned

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

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