1920
District 10
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Operation NameNumberTypeOpeningDistrictCityCountyCompany NameRailroad Shipments (tons)Railroad to MineTruck Shipments (tons)Total Production (tons)Days WorkedEmployeesNotes
Black Diamond Colliery10 LuzerneHaddock Mining Co.138,429LV0170,638239363 
Conlon CollierySlope 110 LuzerneJohn Conlon Coal Co.62,567D&H066,009309119 
East Boston CollieryShaft 110Kingston Twp. 1LuzerneEast Boston Coal Co.113,773DL&W / LV0164,115302418 
Henry Colliery10Plains Twp. 1LuzerneLehigh Valley Coal Co.374,351LV0442,800251654Coal prepared at Prospect Breaker, 11th District.
Louise Colliery10Luzerne 1LuzerneRaub Coal Co.80,614LV087,499227254 
Madeira Colliery10Plains 1LuzerneWilkes-Barre Colliery Co.137,957D&H0142,463281355 
Mineral Spring Colliery10Wilkes-Barre 1LuzerneLehigh Valley Coal Co.214,671LV0252,559252459 
Miners Mills Colliery10Miners Mills 1LuzerneHealey Coal Co.27,101LV029,860254108 
Pettebone Colliery10Kingston Twp. 1LuzerneDelaware, Lackawanna & Western Railroad Co.521,870DL&W0578,198299863 
Pine Ridge CollieryShaft 110Miners Mills 1LuzerneHudson Coal Co.870,505D&H01,022,9752951548 
Ridgewood Colliery10Plains Twp. 1LuzerneTraders Coal Co.152,084NYS&W0154,059259360 
Wyoming Colliery10Plains Twp. 1LuzerneCentral Coal Co.65,039D&H067,026282164 

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