 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 sawed 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 . 
 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 sawed lumber . After that , production steadily declined throughout the state . Lock Haven <a href='null_genetive' title='1'><mark>'s</mark></a>timber business was also affected by flooding , which badly damaged the canals and destroyed the log boom in 1889 . 
In terms of board feet , the peak of da lumber era in Pennsylvania arrived in about 1885 , when 1 @.@ 9 million logs went thru the boom at Williamsport . dese logs produced a total of about 226 million board feet ( 533 @,@ 000 m3 ) of sawed lumber . After that , production steadily declined throughout the state . Lock Haven  timber bizness was also affected by flooding , which badly damaged tdacanals and destroyed thdaog boom in 1889 .