 | Geological Survey of Pennsylvania - Geology - 1836 - 686 pages
...west, the main body of the limestone lies in contact with the talc slates of the southern primarj' belt which contain no calcareous matter and which...rail road, and thence taken by boats to the various li.ne kilns. Extensive quarries have also been opened near the Valley Church, where the limestone is... | |
 | J. Peter Lesley - Chester County (Pa.) - 1883 - 442 pages
...Philadelphia and other places, by the several railroads and the Schuylkill navigation ; but a large amount is converted into lime on the spot, designed for the...miles below Valley Forge, where the rock is tolerably thick-bedded, and of a light color. The quarried stone is conveyed to the river by a railroad, and... | |
 | Pennsylvania. Geological Survey - Coal - 1883 - 442 pages
...Philadelphia and other places, by the several railroads and the Schuylkill navigation ; but a large amount is converted into lime on the spot, designed for the...of the limestone is wrought on the west side of the Schnylkill, two or three miles below Valley Forge, where the rock is tolerably thick-bedded, and of... | |
 | J. Peter Lesley - Coal mines and mining - 1892 - 752 pages
...Philadelphia, and other places, by the several railroads and the Schulkill navigation; but a largo amount is converted into lime on the spot, designed for the same markets. " A large quarry of limestone is wrought on the west side of the Schuylkill, two or three miles below Valley Forge, where... | |
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Schuylkill, there are numer ons and extensive quarries, furnishing a large supply of the rock, a portion of which is transported to Philadelphia and other places, by the several railroads and the Schuylkill navigation ; but a large amount is converted... 