 Between 2004 and 2013 an average of 74 @,@ 325 acres ( 300 @.@ 78 km2 ) were burned by fires per year with a maximum of 346 @,@ 500 acres ( 1 @,@ 402 km2 ) in 2007 and a minimum of 152 acres ( 0 @.@ 62 km2 ) in 2008 . For example , in 2012 there were 26 fires started by people and 109 started by lightning , which together burned a total of 152 @,@ 000 acres ( 620 km2 ) . The Trinity Ridge Fire alone burned 146 @,@ 800 acres ( 594 km2 ) over two months , although it was not confined to Boise National Forest lands . 
 Between 2004 and 2013 an average of 74 @,@ 325 acres ( 300 @.@ 78 km2 ) <a href='uninflect' title='1'><mark>were</mark></a> burned by fires per year with a maximum of 346 @,@ 500 acres ( 1 @,@ 402 km2 ) in 2007 and a minimum of 152 acres ( 0 @.@ 62 km2 ) in 2008 . For example , in 2012 <a href='dey_it' title='2'><mark>there</mark></a> <a href='uninflect' title='3'><mark>were</mark></a> 26 fires started by people and 109 started by lightning , which together burned a total of 152 @,@ 000 acres ( 620 km2 ) . The Trinity Ridge Fire alone burned 146 @,@ 800 acres ( 594 km2 ) over two months , although it was not confined to Boise National Forest <a href='negative_concord' title='4'><mark>lands</mark></a> . 
Between 2004 and 2013 an average of 74 @,@ 325 acres ( 300 @.@ 78 km2 ) was burned by fires per year wid a maximum of 346 @,@ 500 acres ( 1 @,@ 402 km2 ) in 2007 and a minimum of 152 acres ( 0 @.@ 62 km2 ) in 2008 . fa example , in 2012 it was 26 fires started by niggas and 109 started by lightning , which together burned a total of 152 @,@ 000 acres ( 620 km2 ) . da Trinity Ridge Fire alone burned 146 @,@ 800 acres ( 594 km2 ) ova two months , although it was not confined to Boise National Forest no lands .