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1891 13. Oxford. Geologic Atlas 13. Oxford. |
1891 46. Woburn, NE Quad. Geologic Atlas 46. Woburn, NE Quad. |
1891 52. Northampton, Bedford, SW … Geologic Atlas 52. Northampton, Bedford, SW … |
1891 86. Hull. Geologic Atlas 86. Hull. |
1891 92. Clitheroe, Skipton, SW Q … Geologic Atlas 92. Clitheroe, Skipton, SW Q … |
1891 99. Ravenglass, N Quad. Geologic Atlas 99. Ravenglass, N Quad. |