bog iron造句

• Slate, coal, and bog iron abound; and some gold has been found.
• This Wendish church was built using stones found in fields and bog iron.
• Early Scandinavian iron production typically involved the harvesting of bog iron.
• Bog iron was also found on the Eastern Shore of Maryland.
• Broom was also involved in an unsuccessful scheme to mine bog iron ore.
• The swamps and backwaters were bountiful sources of natural bog iron.
• Other furnaces used ore extracted from bogs in South Jersey, impure deposits called bog iron.
• However most iron as well as its forging was of domestic origin, probably from bog iron.
• The ore used was the abundant bog iron.
• Bog iron could be found close to the surface in the carr south of the Emscher river.
• The ore was locally obtained bog iron.
• Lake Massapoag in Massachusetts was drawn down by deepening the outlet channel in a search for bog iron.
• The museum contains various historic buildings, including most importantly the smelt bog iron ore to make pig iron.
• Mishawaka s recorded history began with the discovery of bog iron deposits at the beginning of the 1830s.
• What is now South Beloit was previously full of natural resources such as copper, lead, and bog iron.
• The bog iron deposits of Northern and Northeastern Europe were created after the Ice Age ended, on postglacial plains.
• Granite, marble ( in Ruskeala ) and bog iron mining as well as logging were important branches of industry.
• Although the bog iron ores mined in colonial days were widespread, the deposits were also small, and quickly exhausted.
• Originally part of Silesia, MaB
  omice had been a centre of smelting bog iron by bloomery hearthes since medieval times.
• What with the additional demand for wood for charcoal to smelt the local bog iron, the native forest was fast vanishing.