Line: The Calcium Carbonate Chemical Sedimentary RockPortland cement is essential to the building industry, but despite our Nation's . Therefore, line quarries can be large and long lived, mining line.building on line mine,Line - Wikipedia, the free encyclopediaLine is a sedimentary rock composed largely of the minerals calcite and aragonite, which . Line has numerous uses: as a building material, as aggregate for the base of roads, as white pigment or .. The world's largest line quarry is at Michigan Line and Chemical Company in Rogers City, Michigan.Line MiningCrushed calcite and dolomite are used in concrete, road construction, building materials, and . LINE QUARRIES OR MINES IN MICHIGAN, AS OF 1939.
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