 The line linked coal pits in the Dalkeith area to the city of Edinburgh, bringing coal for domestic and industrial use.The Edinburgh terminus was called St Leonards, located to the south of Salisbury Crags, in the area between the present-day St Leonard's Street and St Leonard's Bank.The original Act authorised share capital of £70,125; a second Act was obtained on 4 June 1829, authorising further share capital of £8,053, and sanctioning the Leith Branch.