• P200805
    • Coryton Slate Quarry, 6 1/2 m. N. of...
    • P200806
    • Coryton Slate Quarry, 6 1/2 m. N. of...
    • P200807
    • Coryton Slate Quarry, 6 1/2 m. N. of...
    • P200808
    • Coryton Slate Quarry, 6 1/2 m. N. of...
    • P207959
    • Tavistock.
    • P233217
    • Dartmoor. 'The Sphynx', Tavistock.
    • P577139
    • Pyrite xls, Chaloopyrite xls and...
    • P704680
    • FERRUM suboxygenizatum. Magnetic Iron...
    • P704984
    • CUPRUM Sulphureum Arsenico-ferriferum....
    • P705048
    • FERRUM sulphureum. Sulphuret of Iron,...
    • P705080
    • FERRUM sulphureum. Iron Pyrites. Plate...
    • P749632
    • Granite. Merrivale Quarry, near...
    • P749633
    • Granite. Merrivale Quarry, near...
    • P749697
    • Hurdwick Stone (altered vesicular...
    • P749699
    • Schistose vesicular tuff. Quarry on...
    • P750429
    • Grey slate. 3/4 miles E. Tavistock,...
    • P750430
    • Grey slate. 3/4 miles E. Tavistock,...