1931
District 7
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Operation NameNumberTypeOpeningDistrictCityCountyCompany NameRailroad Shipments (tons)Railroad to MineTruck Shipments (tons)Total Production (tons)Days WorkedEmployeesNotes
Austin CollieryTunnel 17Old ForgeLackawannaRaub Coal Co.11,356LV 1011,4407986Coal prepared at Louise Colliery, 10th District.
Barnum Colliery7Duryea 1LuzerneScranton Anthracite Coal Co.8,812017,62519281 
Broadwell Colliery7 LackawannaLehigh Valley Coal Co.88,765099,621258123Coal prepared at Seneca Colliery.
Butler Colliery7Pittston Twp. 1LuzerneThe Pittston Co.136,0780160,238731318 
Central Colliery7Duryea 1LuzerneThe Pittston Co.172,2390198,782134530Coal prepared at Butler Colliery.
Consolidated Colliery7Avoca 1LuzerneScranton Anthracite Coal Co.83,710093,612175206Coal prepared at Barnum and Langcliffe Collieries.
Florence Colliery7Pittston Twp. 1LuzerneStandard Anthracite Mining Co.75,105075,105286157Coal prepared at Spring Brook Washery.
Hallstead Colliery7Duryea 1LuzerneGlen Alden Coal Co.63,578067,38372421Coal prepared at Baker Colliery, 5th District.
Heidelberg Colliery7Avoca 1LuzerneLehigh Valley Coal Co.111,0140124,867258208Coal prepared at Seneca Colliery.
Laflin CollieryShaft 17Laflin 1LuzerneHudson Coal Co.000 80Idle.
Langcliffe Colliery7Avoca 1LuzerneRendham Coal Co.36,871049,871219167 
M&M Washery7 LuzerneClover Coal Co.22,843026,56818455 
Pickaway Colliery7 LuzerneScranton Anthracite Coal Co.14,000014,00017637Coal prepared at Barnum Colliery.
Seneca Colliery7Pittston 1LuzerneLehigh Valley Coal Co.254,6090299,441256584 
Spring Brook Washery7Moosic 1LackawannaFlagg Coal Co.70,104071,68326835 
William A. Colliery7Old Forge Twp. 1LackawannaLehigh Valley Coal Co.00007 

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