gs connected with
all movements of the Army of the Potomac: first, in every change of
position or halt for the night, whether confronting the enemy or not,
the moment arms were stacked the men intrenched themselves. For this
purpose they would build up piles of logs or rails if they could be
found in their front, and dig a ditch, throwing the dirt forward on the
timber. Thus the digging they did counted in making a depression to
stand in, and increased the elevation in front of them. It was
wonderful how quickly they could in this way construct defences of
considerable strength. When a halt was made with the view of assaulting
the enemy, or in his presence, these would be strengthened or their
positions changed under the direction of engineer officers. The second
was, the use made of the telegraph and signal corps. Nothing could be
more complete than the organization and discipline of this body of brave
and intelligent men. Insulated wires--insulated so that they would
transmit messages in a storm, on the ground or under water--were wound
upon reels, making about two hundred pounds weight of wire to each reel.
Two men and one mule were detailed to each reel. The pack-saddle on
which this was carried was provided with a rack like a sawbuck placed
crosswise of the saddle, and raised above it so that the reel, with its
wire, would revolve freely. There was a wagon, supplied with a
telegraph operator, battery and telegraph instruments for each division,
each corps, each army, and one for my headquarters. There were wagons
also loaded with light poles, about the size and length of a wall tent
pole, supplied with an iron spike in one end, used to hold the wires up
when laid, so that wagons and artillery would not run over them. The
mules thus loaded were assigned to brigades, and always kept with the
command they were assigned to. The operators were also assigned to
particular headquarters, and never changed except by special orders.
The moment the troops were put in position to go into camp all the men
connected with this branch of service would proceed to put up their
wires. A mule loaded with a coil of wire would be led to the rear of
the nearest flank of the brigade he belonged to, and would be led in a
line parallel thereto, while one man would hold an end of the wire and
uncoil it as the mule was led off. When he had walked the length of the
wire the whole of it would be on the ground. This would be done
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