Horizontal Section No. 60 (1860). 1. From Wirksworth, the Derbyshire Coalfield, Portland Collieries, Kirkby Woodhouse and Kirkby Forest. 2. From the Derwent Valley, by Elvaston Park, across the Derbyshire Coalfield. Geological Survey of GB. 1stHorizontal Section No. 60 (1860). 1. From W to E, by Wirksworth and Crich, the Derbyshire Coalfield, by Wingfield Manor, Alfreton Common, Pinxton and Portland Collieries, and by Kirkby Woodhouse and Kirkby Forest. 2. SSW to NNE, from the Derwent Valley, by Elvaston Park, Derbyshire, crossing the Derbyshire Coalfield by Dale Hills, W. Hallam, Shipley Colliery and Eastwood to Robin Hoods Hills, Nottinghamshire. Geological Survey of GB. 1st edition.