. Geological magazine. A, Lincolnshire Limestone. B, Lower Estuarine bed. C, Northampton Ironstone bed,oxidised fromjthe outcrop towards F, this bed being ten feet thick. D, the Coprolitebed four inches. E, Lias clay. 408 Capt. Macdakin—Northampton Ironstone Beds. Fig, 3.—Diagram, showing the slipping back and faulting of the beds over theLias clay in the Greetwell Explanation of Map. — 1. Norman ton, 2. Caythorpe. 3. Navenby. 5. Coleby Mines. 6. Waddington Mines. 7. Canwick. 8. Searle Boring for coal. 10. Greetwell cutting. S. Ry. = Sheffield Railway. G. Ry. =

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. Geological magazine. A, Lincolnshire Limestone. B, Lower Estuarine bed. C, Northampton Ironstone bed,oxidised fromjthe outcrop towards F, this bed being ten feet thick. D, the Coprolitebed four inches. E, Lias clay. 408 Capt. Macdakin—Northampton Ironstone Beds. Fig, 3.—Diagram, showing the slipping back and faulting of the beds over theLias clay in the Greetwell Explanation of Map. — 1. Norman ton, 2. Caythorpe. 3. Navenby. 5. Coleby Mines. 6. Waddington Mines. 7. Canwick. 8. Searle Boring for coal. 10. Greetwell cutting. S. Ry. = Sheffield Railway. G. Ry. = Grimsby Railway. G, N. Ry. = GreatNorthern Railway. The escarpment is shown by a shaded line. Fig. 5,—Section at , Ironstone Mine. Undulating Country. ^^ Lias Clay.

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Keywords: ., bookauthorwoodward, bookcentury1800, bookdecade1870, bookyear1877