Show spreading highway gospel teats made by the state apartment part ment of iowa indicate that bravel roads will show a gala gain of 50 per cent over the earth roads in the ton miles per gallon of gasoline while the higher type roads show a gain of per cent let us take 75 per cent as as an average gala gain for the improved roads roada over the unimproved this means that a gallor gallon of 0 gasoline we could coul transport over an improved road a load of one ton over a distance dle tance 75 pt per ent greaud amter than on oa a poor ro road ad I 1 |