British Association for the Advancement of Science (BASS) Geological Photographs Index.

Now superceded by Geoscience ImagebaseDigital index to the British Association for the Advancement of Science (BAAS) Geological Photographs. This collection of around 8,000 photographs dating between 1861 and 1948 is held in the BGS Library on deposit from the BAAS. The Irish photographs are held in the Ulster Museum in Belfast.