One area of mapping that I feel is lacking for 1E (and similar) games is simple layouts that can be quickly used when the need arises. The next few posts will detail some of these concepts, starting with the Toll-House/Toll-Gate.
From "Toll-Gates in Sussex" by Leonard G. Lane, (Sussex County Magazine Index - Volume 10 - 1936 - Turnpikes) http://scm.pastfinders.org/
Historically, the people that lived near these toll-houses survived almost entirely on the produce of their own farms. Consequently, land and bridge owners often were prepared to accept hides and bullocks as tolls for the use of their bridges. Money didn't come into general use until the thirteenth century.
I discovered a good reference image of a Toll-House at http://www.secretshropshire.org.uk/content/learn/landscape/communications.asp
Armed with that data, presented below is a finished Toll-House with gate and bridge over water (and shadows):
Lastly, a traditional top-down view with 10' grid in place: