Ireland. Geology of Belfast and District: Special Engineering Geology Sheet, Solid and Drift. (1971). Geological Survey of Northern Ireland. Colour print, history Devon / Cornwall: Dartmoor and

Devon / Cornwall: Dartmoor and part of Bodmin Moor

Bedfordshire: Bedford in SW corner

Bawtry at north edge

Burmeister’s original was published in 1843

and another

Ireland. Geology of Belfast and District: Special Engineering Geology Sheet, Solid and Drift. (1971). Geological Survey of Northern Ireland. Colour print, history Devon / Cornwall: Dartmoor andIreland. Geology of Belfast and District: Special Engineering Geology Sheet, Solid and Drift. (1971). Geological Survey of Northern Ireland. Colour print, folded, 71. 5 x 53. 5cm. Scale 1: 21,120. On back in grey print, map of Rockhead contour in the City Area,(at 1: 21,120, table of rock and soil characteristics and summary logs of 31 boreholes. Clean, bright colours. In good condition.