Grzywacz
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YearOperation NameNumberTypeOpeningDistrictCityCountyCompany NameRailroad Shipments (tons)Railroad to MineTruck Shipments (tons)Total Production (tons)Days WorkedEmployeesNotes
1937Grzywacz Mine2 LackawannaGrzywacz Coal Co.11040150114 
1962Grzywacz Mine1 LackawannaGrzywacz Coal Co.009382253Mine employing less than five persons.
1963Grzywacz Mine1 LackawannaGrzywacz Coal Co.001,2712203Mine employing less than five persons.
1964Grzywacz Mine1 LackawannaGrzywacz Coal Co.001,1674223Mine employing less than five persons.
1965Grzywacz Mine1 LackawannaGrzywacz Coal Co.004881394Mine employing less than five persons.