SAVANNAH, Georgia — The South, and Georgia in particular, have borne the brunt of a historic run of pulp and paper-mill closures as recycled boxes, cheap imported pulp and more thrifty packing by e-commerce giants, including Amazon.com, have hit demand. Last year, the US shed roughly 10% of its capacity to produce containerboard. …Demand for pulpwood plummeted. So did demand for wood chips, sawdust and other byproducts. Prices across the South are at the lowest level in nearly 40 years before factoring in inflation. In some parts, there’s essentially no market. Some growers are, for the first time, having to pay to have their pulpwood removed. …A search is on to create new sources of demand. Weyerhaeuser, the South’s largest timberland owner with about 6.6 million acres in 11 states, is spending hundreds of millions of dollars to build facilities in Arkansas and Mississippi to turn pulpwood surpluses into engineered lumber and an alternative to metallurgical coal, respectively. [to access the full story a WSJ subscription is required]