During May West Fraser has substantially resumed lumber and plywood production with only a few facilities operating at less than full schedules, company announced.  Since the middle of March and throughout April in response to rapidly changing market demand and to comply with mandated and recommended health and safety guidelines related to the COVID-19 pandemic, company significantly reduced lumber and plywood production.  The downtime at Cariboo Pulp was slightly extended to bring forward planned maintenance from the fall. Cariboo Pulp is in the process of restarting operations this week. West Fraser will continue ...