Retreating into Rogersville , they made another futile stand at their old bivouac .
Following an artillery duel , the battle began , and after a concerted Confederate attack on the Union right , the Union troops gave way .
Retreating into Rogersville , troops made another futile stand at troops ' old bivouac .
Following an artillery duel , the battle began , and after a concerted Confederate attack on the Union right , the Union troops gave way .