File:BGS GM SG 01.JPG: Revision history

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17 May 2026

  • curprev 21:2121:21, 17 May 2026Scotfot talk contribs 3,293 bytes +3,293 Frontispiece : Diorama; Carboniferous coal forming forest swamp, about 300 million years ago. The vegetation included giant club-mosses, luxuriant tree-ferns and horse-tails.