applying it to work not now performed, that is, the building of highways or preparing material to be used therefor.
The General Government, having withdrawn from the field of road construction in 1832, has since done little in that line until very recently. Eight years ago Congress appropriated a small sum of money for the purpose of instituting a sort of inquiry into the prevailing condition of things pertaining to road matters. This appropriation has been continued from year to year and increased during the last two years with a view of coöperating to a limited extent with other efforts in road construction.
The General Government can perform certain duties pertaining to scientific road improvement better than any other agency. Scientific facts ascertained at one time by the General Government will serve for the enlightenment of the people of all the states, and with no more cost than would be required for each single state to make the investigation and ascertain the facts for itself.
With a view to securing scientific facts in
