Early anthracite mining begins in PennsylvaniaJan 1, 1820Labels: Anthracite coal, PennsylvaniaLC N CoAnthracite
Lehigh Coal & Navigation Company is consolidatedApr 21, 1820Labels: Lehigh Coal, Vertical integrationLC N CoBeyond Steel
Schuylkill Navigation links coal fields to PhiladelphiaMay 20, 1825Labels: Schuylkill Navigation, PhiladelphiaWater HistorySchuylkill Nav
Two-way Lehigh Navigation opens for coal transportJun 26, 1829Labels: Lehigh Navigation, Anthracite transportBeyond SteelLC N Co
Prizes spur breakthroughs in anthracite iron smeltingJan 1, 1830Labels: Franklin Institute, Iron smeltingAnthracite iron
Philadelphia and Reading Railroad is incorporatedApr 4, 1833Labels: Philadelphia &, RailroadSmithsonianReading history
Hot-blast technology accelerates iron productionJan 1, 1835Labels: Hot blast, Iron furnacesASME LandmarkAnthracite iron
Reading Railroad main line opens to strengthen coal flowsDec 9, 1839Labels: Reading Railroad, Schuylkill CorridorReading historySmithsonian
Reading’s line to Pottsville opens, expanding coal marketsJan 1, 1842Labels: Pottsville line, Reading RailroadSmithsonianReading history
Bessemer process era begins, reshaping iron demandOct 17, 1856Labels: Bessemer process, SteelmakingBritannicaBessemer rails
Mesabi Range mining begins, shifting iron supply westwardJan 1, 1892Labels: Mesabi Range, Iron oreMNopediaMountain Iron
Homestead Strike highlights tensions in steel productionJul 6, 1892Labels: Homestead Strike, Carnegie SteelBritannicaHomestead
U.S. Steel forms, consolidating coal-iron-steel networksFeb 25, 1901Labels: U S, Corporate mergerBritannicaU S Steel
Anthracite Coal Strike ends through federal arbitrationOct 23, 1902Labels: Anthracite Strike, Federal arbitration1902 strike
U.S. Bureau of Mines is created after deadly mine disastersMay 16, 1910Labels: U S, Mine safetyMSHAFed Act 1910
World War I demand caps the 1820–1914 extraction boomJul 28, 1914Labels: World War, Extraction boomBritannicaMesabi