Exhibit of the Office of Public Roads Alaska Yukon Pacific Exposition
Exhibit of the Office of Public Roads Alaska Yukon Pacific Exposition
United States Public Roads Administration
The book Exhibit of the Office of Public Roads Alaska Yukon Pacific Exposition was written by author United States Public Roads Administration Here you can read free online of Exhibit of the Office of Public Roads Alaska Yukon Pacific Exposition book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Exhibit of the Office of Public Roads Alaska Yukon Pacific Exposition a good or bad book?
What reading level is Exhibit of the Office of Public Roads Alaska Yukon Pacific Exposition book?
To quickly assess the difficulty of the text, read a short excerpt:
Section D illustrates the finished road, smooth and firm and well crowned, the slope being 1 inch to the foot.
The burnt-clay road, which is confined to the Mississippi Delta States where stone and gravel is scarce and " gumbo " or " buckshot " < Inv plentiful, is never muddy in winter unless mud be carried to it from other roads.
Farmers' Bulletin No. 311, " Sand-clay and Burnt-clay Roads, " gives full information about this type of highway, if more be desired.
OILED EARTH ROADS.
< Plate IX. Fi. 1. ) This model shows the construction of an oiled earth road, the type now popular in the California orange belt.
Section A shows the dusty road before improvement.
Section B shows the road plowed to a depth of 6 inches.
Section C illustrates the application of oil to the plowed road.
Section D shows the road after being harrowed and the oil worked into the loose soil.
Section E shows the completed road after having been thorough!}- rolled, the crown representing a slope of three-fourths inch to the foot.
User Reviews: