 In 1864 , after Little Rock fell to the Union Army and the arsenal had been recaptured , General Fredrick Steele marched 8 @,@ 500 troops from the arsenal beginning the Camden Expedition . 
 In 1864 , after Little Rock fell to the Union Army and the arsenal <a href='been_done' title='1'><mark>had</mark></a> been recaptured , General Fredrick Steele marched 8 @,@ 500 troops from the arsenal beginning the Camden Expedition . 
In 1864 , after Little Rock fell to da Union Army and the arsenal done been recaptured , General Fredrick Steele marched 8 @,@ 500 troops from the arsenal beginning the Camden Expedition .