Longitude (deg): -1.1. Latitude (deg): 53.3. Longitude (deg/min): 1° 10' W. Latitude (deg/min): 53° 20' N. Vice county name: South-west Yorkshire. Vice county no.: 63. Country: England. Identified by: Malcolm Storey. Comment: numerous patches on wall of gorge. Category: microscope photograph. Image scaling: magnified. Real world width(mm): 0. Photographic equipment used: Canon EOS10D digital SLR and Meiji microscope with x2.5 projection eye-piece. DPI defaulting to 72..