I moved to Gaithersburg in 1984 and soon began to take photographs of many of the disappearing landscape that was taking place, particularly those along Route 28 - Darnestown Road - and Muddy Branch Road.
A great "Then and Now" has been put up by Shaun Curtis.
http://www.shauncurtis.comClick on "Add to Cart" to purchase a print, photographic product(mousepad, coffee cup, t-shirt, etc), digital file (for personal use)
You can even purchase real postage stamps with these pictures.