This is a comprehensive treatment of the subject by Dick Tennant looking at the cartography of French, Portuguese and British cartographers.   Maps in the Peninsular War   

An article by Dick Tennant about a fundamental aspect of logistics from ancient times and still very relevant in the Napoleonic period - and beyond.... Wellington's Mules     Picture credit http://gibraltar-intro.blogspot.co.uk/2014/12/1705-two-centuries-of-smuggling-la-cosa.html