Tor rock - 500 to 600 8. Limestones, more or less concretionary, with shale partings - 150 9. Limestones, some thickly and some thinly bedded : of these there is seen about ..... 100 Total thickness shown without reaching the bottom - 1,580 The cutting... The Geology of Parts of Nottinghamshire and Derbyshire: (quarter Sheet No ... - Page 18 by William Talbot Aveline - 1869 - 15 pages Full view -
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