Scale Lumber Where To Find N Scale Train Buildings Late 1800's?

Where to find N Scale Train Buildings Late 1800's? - scale lumber

I think, a division of N scale and I am interested in finding themselves in a position to structures such as factories, mines and extraction, or logging. I wish the concept of post-Civil War buildings or equipment must be for that period. This is just one of many hobbies, so I'm not interested in Expesive predefined layouts or kits, which are costly.