Nature 15, 97-97 (30 November 1876) | doi:10.1038/015097c0

[Letters to Editors]

WM. JEROME HARRISON

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I AM pleased to find in NATURE, vol. xv., p. 78, a letter from Prof. Hull, with reference to the age of our Charnwood Forest rocks. He writes against their assignment by Mr. H. B. Woodward, in his “Geology of England and Wales,” to the Laurentian period (see p. 24).