He had his men and teams bring in all the grain they could find, or all they needed, and all the cattle for beef, and such other food as could be found.

Millers were detailed from the ranks to run the mills along the line of the army.

When these were not near enough to the troops for protection they were taken down and moved up to the line of the road.
Blacksmith shops, with all the iron and steel found in them, were moved up in like manner.

Blacksmiths were detailed and set to work making the tools necessary in railroad and bridge building.

Axemen were put to work getting out timber for bridges and cutting fuel for locomotives when the road should be completed.