Geological Survey of Illinois volume 5
Geological Survey of Illinois volume 5
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In our eReader you can find the full English version of the book. Read Geological Survey of Illinois volume 5 Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Geological Survey of Illinois volume 5
What reading level is Geological Survey of Illinois volume 5 book?
To quickly assess the difficulty of the text, read a short excerpt:
Shale... > Xo. 6 6 6 Xo. 16. Coal.... ' 6 3S 290 GEOLOGY OF ILLINOIS.
Feet. In.
No. 17. Fire-clay 2 6 No. 18. Hard rock (probably limestone or calc. Sandstone) 12 No. 19. Shale. 5 No. 20. Limestone --5 No. 21. Black shale to 4 No. 22. Coal (No. 5. )... ; 6 266 2 The coal here is similar in quality to that obtained from the shafts at Yirden and Girard, and the mine is entirely free from water, and its gangways as dry as though they possessed a water-proof covering.
Bartel's shaft in the creek va...lley south of town was commenced at a much lower level, and the coal was reached at a depth of about 210 feet. The coal in this shaft ranges from six to eight feet in thickness, and has a good roof, composed of five feet of bituminous shale and five feet of limestone.
In the section given above of the Carlinville shaft it will be seen that coal No. 6 is divided by a parting of shale six feet and a half in thick- ness, while at the Virden shaft the parting consists of sandstone and shale, and is six feet in thickness.
What to read after Geological Survey of Illinois volume 5?
You can find similar books in the "Read Also" column, or choose other free books by Illinois State Geologist to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Shale... > Xo. 6 6 6 Xo. 16. Coal.... ' 6 3S 290 GEOLOGY OF ILLINOIS.
Feet. In.
No. 17. Fire-clay 2 6 No. 18. Hard rock (probably limestone or calc. Sandstone) 12 No. 19. Shale. 5 No. 20. Limestone --5 No. 21. Black shale to 4 No. 22. Coal (No. 5. )... ; 6 266 2 The coal here is similar in quality to that obtained from the shafts at Yirden and Girard, and the mine is entirely free from water, and its gangways as dry as though they possessed a water-proof covering.
Bartel's shaft in the creek va...lley south of town was commenced at a much lower level, and the coal was reached at a depth of about 210 feet. The coal in this shaft ranges from six to eight feet in thickness, and has a good roof, composed of five feet of bituminous shale and five feet of limestone.
In the section given above of the Carlinville shaft it will be seen that coal No. 6 is divided by a parting of shale six feet and a half in thick- ness, while at the Virden shaft the parting consists of sandstone and shale, and is six feet in thickness.
What to read after Geological Survey of Illinois volume 5?
You can find similar books in the "Read Also" column, or choose other free books by Illinois State Geologist to read onlineMoreLess
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