US sawmills produce 8.557 bbf of softwood lumber in first three months of 2018, up 2.7% year-over-year, while output by Canadian mills drops 2.4% to 7.074; production by sawmills in British Columbia in March at 1.073 bbf is down 10.4% from last year.  U.S. sawmills produced 8.557 billion board ft. (bbf) of softwood lumber in the first three months of 2018, an increase of 2.7% from 8.333 bbf in the previous year, the Western Wood Products Assn. (WWPA) reported in its latest Lumber Track ...