Kulforekomsten paa Andøen
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Forkortet: A map and section are given p. 132. \"Myr\" signifies peatmoss, \"sandsten\" sand- stone, \"lerjernsten\" clay ironstone, \"bitumines skifer\" bituminous shale, \"skjælmergel\" shell-marl, \"borhul\" borehole, \"stenkullag\" coal-seam, \"grønne skifere med kalklag\" green schists with bed of limestone. A section from the southernmost borehole is given p.133; the scale is in metres and old Norwegian feet, which were very slightly larger than English.