It’s been a temperate fall and winter in King County, Texas, as filming of “Yellowstone” and its television spinoffs commenced at the 6666 ranch and surrounding area. Crowds of RVs down the hill from the school grounds have served as temporary housing for crew and extras, according to Farmhouse Coffee proprietor Amber Long, who launched her business west of the courthouse in Guthrie just in time to take advantage of the influx of workers, fans, and the merely curious from all over.