1921
District 6
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Operation NameNumberTypeOpeningDistrictCityCountyCompany NameRailroad Shipments (tons)Railroad to MineTruck Shipments (tons)Total Production (tons)Days WorkedEmployeesNotes
Blakely Plane Colliery6 LackawannaScranton Anthracite Coal Co.10,083NYO&W010,22929942Coal prepared at Lackawanna Breaker, 1st District.
Boland Colliery6 LackawannaJohn J. Boland Coal Co.6,252Erie08,73722826 
Carney & Brown Colliery6DunmoreLackawannaCarney & Brown Coal Co.19,358DL&W / Erie021,30420464 
Johnson Colliery6Dickson City 1LackawannaScranton Coal Co.117,220NYO&W0155,932211438 
Marshwood Colliery6Olyphant 1LackawannaBald Mountain Coal Co.66,053DL&W066,804291153Coal prepared at Mount Jessup No. 1 Breaker.
Mount JessupNo. 1Colliery6Winton 1LackawannaMount Jessup Coal Co., Ltd.149,651D&H / DL&W / Erie / NYO&W0151,889285333 
Nay Aug Colliery6Dunmore 1LackawannaNay Aug Coal Co.37,323Erie038,073198157 
Olyphant Colliery6Olyphant 1LackawannaHudson Coal Co.817,785D&H0954,8322971508 
PCCNo. 1CollieryShaft 16Dunmore 1LackawannaPennsylvania Coal Co.823,786Erie0849,4873051490 
QuinnNo. 6CollierySlope6 LackawannaQuinn Coal Co.7,761Erie07,76121998 
RichmondNo. 3CollieryNo. 3 Shaft 16Dickson City 1LackawannaScranton Coal Co.54,728NYO&W076,597217267Abandoned Aug 1, 1921. Coal now prepared at Johnson Breaker.
Spencer Colliery6Dunmore 1LackawannaSpencer Coal Co.45,471Erie057,869276170 
Storrs Colliery6Dickson City 1LackawannaGlen Alden Coal Co.851,676DL&W0939,8702911464 
Underwood Colliery6Olyphant 1LackawannaPennsylvania Coal Co.651,795Erie0693,4083031114 

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