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MCDOWELL’S ADVANCE TO BULL RUN.

SCALE OF MILES

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NEWMAN

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CONRAD Jt§

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□ Union Troops.

M Confederate Troops.

OUTLINE MAP OF THE BATTLE-FIELD OF BULL RUN.

A, A, A, A, A. General line of Confederate disposi-tions during the skirmish at Mitchell’s and Blackburn’sFords (July 18 th), and until the morning of the mainengagement (July 21st).

B, B, B. General line of Confederate dispositions,

made to repel McDowell’s flank attack by the Sudleyand Newmarket Road.

The Union dispositions are represented as theywere at the climax of the fighting on the Henryplateau.

the haversacks of his men were empty, and had to be replenished from theprovision wagons, which were late in getting up. Nor had he yet determinedupon his point or plan of attack. While resting and provisioning his men,he devoted the 19th and 20th to a careful examination by his engineers ofthe enemy’s position and the intervening country. His men, not soldiers,but civilians in uniform, unused to marching, hot, weary, and footsore,dropped down as they had halted and bivouacked on the roads about Centre-ville. Notwithstanding Beauregard’s elation over the affair at Blackburn’sFord on the 18th, he permitted the 19th and 20th to pass without a move-ment to follow up the advantage he had gained. During these two days,McDowell carefully examined the Confederate position, and made his plan