I have permanently moved to a nice mountain town, and now that I have a workbench I'm thinking about ways to put together terrain pieces appropriate for American Civil War at 28mm to complement my Texans (and perhaps in the future New Mexican volunteers). I'm particularly thinking about the Trans-Mississippi Theater in Texas and New Mexico, with its abundance of stone and adobe structures, mesas, and vast plains. I can find popsicle sticks at Family Dollar for fairly cheap, but wood planking/siding was (and still is) not too common outside of bridges as far as I can tell. Are there good ways to build bridges, arroyos, adobe houses, and stone buildings, on a public sector salary?