Drawings and notes on the geology of parts of Scotland (including Edinburgh, Arran, Mull and Islay) of parts of England and also of Pomeroy, Ireland. References are made to Plymouth limestone, Skye granite, toadstones in Derbyshire and papers on raised beaches at Loch Carron.

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Letter to Sir Archibald Geikie from Thomas Forster Brown of the firm Forster Brown and Rees, Mining and Civil Engineers requesting a reference or some assistance to help him ascertain whether gold or silver is mined on Islay, the annual value of such and the composition of other minerals recovered.

Letter to Sir Archibald Geikie from Thomas Forster Brown thanking him for arranging for a member of the Geological Survey of Great Britain staff to investigate his request concerning gold and silver mining on Islay.