Section No. 3 (1860). Covers Maryborough, Castlecomer Coalfield, Barrow valley, Bagnalstown. Hand-coloured engraving, iIllustrates maps 127, 128, 137 & 147.Section No. 3 (1860). A continuous section from the Limestone Plateau between Abbeyliex and Maryborough, over Cullenagh Hill, and thence south eastwards across the Castlecomer Coalfield to the Valley of the Barrow, south of Old Leighlin, and into the low Granite Country east of Bagnalstown. Illustrates one inch maps 127, 128, 137 & 147. Hand coloured engraving, flat, 68. 5 x 100. 5cm, with old centre fold. Very soiled, linen tape detached from edges