6 puzzles tagged industry historic

Rammelsbert - Mines 328pcpinRammelsbert - Mines 3Völklingen Ironworks24pcpinVölklingen IronworksSide Trip to Katahdin Iron Works Blast Furnace 1830s36AmyJoySide Trip to Katahdin Iron Works Blast Furnace 1830sWatermill90Paul16WatermillCyfarthfa Leat and Tramway Merthyr Tydfil35WhitebeardCyfarthfa Leat and Tramway Merthyr TydfilDinorwic Quarry Incline35WhitebeardDinorwic Quarry Incline