Griffin's Battery--that has just come up at a gallop and gone into a
good position upon an eminence to the right of Porter's Division, and to
the right of the Sudley road looking South--fairly staggers the Enemy.

And now the brigades of Sherman and Keyes, having been ordered across
Bull Run by General Tyler, are seen advancing from Poplar Ford, at the
rear of our left,--Sherman's Brigade, headed by Corcoran's 69th New York
Regiment, coming up on Burnside's left, while Keves's Brigade is
following, to the left again of, Sherman.

[Sherman, in his Official Report, after mentioning the receipt by
him of Tyler's order to "cross over with the whole brigade to the
assistance of Colonel Hunter"--which he did, so far as the Infantry
was concerned, but left his battery under Ayres behind, on account
of the impassability of the bluff on the Western bank of Bull Run
--says: "Early in the day, when reconnoitering the ground, I had seen
a horseman descend from a bluff in our front, cross the stream, and
show himself in the open field, and, inferring we could cross over
at the same point, I sent forward a company as skirmishers, and
followed with the whole brigade, the New York Sixty-ninth leading."

This is evidently the ford at the elbow of Bull Run, to the right
of Sherman's front, which is laid down on the Army-maps as "Poplar
Ford," and which McDowell's engineers had previously discovered and
mapped; and to which Major Barnard of the U. S. Engineer Corps
alludes when, in his Official Report, he says: "Midway between the
Stone Bridge and Sudley Spring our maps indicated another ford,
which was said to be good."

The Comte de Paris, at page 241, vol. I. of his admirable "History