India. Hughes, T.W.H. (1877). ‘Borings for Coal in India’, extract of The Records of the Geological Survey of India, engineering geology Minor marginal tears secured by

Minor marginal tears secured by linen backing

Guide to the Geology of the East Midlands

Geological Map of Northampton

colours clean

Edinburgh: Geological Survey of Scotland (now BGS)

India. Hughes, T.W.H. (1877). ‘Borings for Coal in India’, extract of The Records of the Geological Survey of India, engineering geology Minor marginal tears secured byIndia. Hughes, T. W. H. (1877). Borings for Coal in India, extract of The Records of the Geological Survey of India, vol. X, pt. 2, pp. 92 97, + 1 foldout hand coloured map, Geological Sketch of the Aravali Series in North East Rajputana, scale 1=16 miles 1: 506,880, 31x 37 cm. text and map age toned but clean. In good condition.