accumulated; and meanwhile General Santa Anna, halting in the
mountains, had occupied the pass of Cerro Gordo with 13,000 men and
42 pieces of artillery. The Mexican position was exceedingly strong.
The right rested on a deep ravine, with precipitous cliffs; the left,
on the hill of Cerro Gordo, covered with batteries, and towering to
the height of several hundred feet above the surrounding ridges;
while the front, strongly intrenched, and commanding the road which
wound zigzag fashion up the steep ascent, followed the crest of a
lofty ridge.

The Americans reached the foot of the pass without difficulty. The
enemy had made no attempt to check their passage through the forest.
Confident in the inaccessibility of his mountain crags, in his
numerous guns and massive breastworks, Santa Anna reserved his
strength for battle on ground of his own selection.

Several days were consumed in reconnaissance. The engineers, to whom
this duty was generally assigned in the American army, pushed their
explorations to either flank. At length the quick eye of a young
officer, Captain Robert Lee, already noted for his services at Vera
Cruz, discovered a line of approach, hidden from the enemy, by which
the position might be turned. In three days a rough road was
constructed by which guns could be brought to bear on the hill of
Cerro Gordo, and infantry marched round to strike the Mexicans in
rear.

April 18.

The attack, delivered at daylight on April 18, was brilliantly
successful. The enemy was completely surprised. Cerro Gordo was