Report concerning the practicability and expence of the lines surveyed by Messrs. John Ainslie & Robert Whitworth, Jun. for a canal, proposed to be made between the cities of Edinburgh and Glasgow, and intended to communicate with the Frith of Forth at Leith and the River Clyde at the Broomie Law : with the improvements that have been made on these lines, and also concerning the practicability and expence of the new line by Linlithgow and Falkirk /