 In terms of board feet , the peak of the lumber era in Pennsylvania arrived in about 1885 , when 1 @.@ 9 million logs went through the boom at Williamsport . These logs produced a total of about 226 million board feet ( 533 @,@ 000 m3 ) of <unk> lumber . After that , production steadily declined throughout the state . Lock Haven 's timber business was also affected by flooding , which badly damaged the canals and destroyed the log boom in 1889 . 
