He says signs marking Green Acres, Boone's Farm and Mary Jane Lane are frequently stolen. He suspects the thieves are targeting those signs because they share names with a popular TV series, a low-cost wine or, in the third case, a slang term for marijuana. Then there's the stolen signs for Harmony Hill. Douglas figures the thieves just like the alliteration. It's become a costly problem. County Manager Luther Smart says the area is paying $17,000 a year to replace the signs.