Georgia-Pacific LLC is idling operations at its McCormick lumber and Allendale OSB mills in South Carolina in about two months, affecting more than 200 employees.  As the company prepares the mills to be curtailed, production will continue for up to 60 days.  GP’s VP of building products operations said in a release that new-home construction demand had not returned to the levels of before the 2007/2008 recession, the newspaper reported.  McCormick lumber employs 98 full-time employees; Allendale employs 142.  According to GP’s release, both ...