GEOLOGY. - P.I. MARTIN. A Geological Memoir on a Part of Western Sussex; with Some Observations Upon Chalk-Basins, the Weald-Denudation, and Outliers-by-Protusion. London: John Booth, 1828. First edition, 4to (282 x 215mm.) Folding hand-coloured engraved frontispiece map, folding table, 3 hand-coloured plates to rear. (Some tears along creases of frontispiece with repairs to verso, offsetting and spotting to preliminaries, occasional browning and toning, lacking front blank, three small ink annotations.) 20th century orange cloth, gilt lettering to spine (gilt reference number erased, endpapers replaced). Provenance: West Sussex County Council (label to front pastedown and stamp verso title). - And a further four volumes mainly relating to Sussex (including Frederick Dixon's 'The Geology of Sussex; or the Geology and Fossils of the Tertiary and Cretaceous Formations of Sussex', 1878, 4to) (5).