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" Upon the level bed prepared for the road materials, a bottom course, or layer of stones, is to be set by hand, in form of a close firm pavement ; the stones set in the middle of the road are to be 7 inches in depth ; at 9 feet from the centre, 5 inches... "
A Treatise on Surveying and Civil Engineering, Wherein Everything that is ... - Page 54
by P. O'Shaughnessy (Civil engineer) - 1848 - 98 pages
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Bulletin, Issue 10

Wisconsin Geological and Natural History Survey - 1903 - 610 pages
...the originator of this pavement, specified that "The bottom coarse or layer of stones is to be set by hand in the form of a close firm pavement. The stones set in the middle of the road are to be 7 inches in depth ; at 9 feet from the center, 5 inches ; at 12 feet from the center, 4 inches...
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Highway Construction in Wisconsin

Ernest Robertson Buckley - 1903 - 588 pages
...the originator of this pavement, specified that "The bottom coarse or layer of stones is to be set by hand in the form of a close firm pavement. The stones set in the middle of the road are to be 7 inches in depth ; at 9 feet from the center, 5 inches; at 12 feet from the center, 4 inches;...
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Bulletin, Issue 10

1903 - 592 pages
...the originator of this pavement, specified that "The bottom coarse or layer of stones is to be set by hand in the form of a close firm pavement. The stones set in the middle of the road are to be 7 inches in depth ; at 9 feet from the center, 5 inches ; at 12 feet from the center, 4 inches...
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Bulletin, Issue 10

Wisconsin Geological and Natural History Survey - 1903 - 588 pages
...the originator of this pavement, specified that "The bottom coarse or layer of stones is to be set by hand in the form of a close firm pavement. The stones set in the middle of the road are to be 7 inches in depth ; at 9 feet from the center, 5 inches ; at 12 feet from the center, 4 inches...
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Road Making and Maintenance: A Practical Treatise for Engineers, Surveyors ...

Thomas Aitken - 1907 - 628 pages
...level bed prepared for the road materials a bottom course or layer of stones is to be set by hand in form of a close, firm pavement ; the stones set in the middle of the road are to be 7 inches in depth ; at 9 feet from the centre 5 inches ; at 1 2 feet from the centre 4 inches...
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Highway Engineering

Charles Edward Morrison - 1908 - 356 pages
...— Macadam Pavement with Gutter. the road materials, a bottom course or layer of stones is set, by hand, in the form of a close, firm pavement. The stones set in the middle of the road should be 7 ins. deep; at 9 ft. from the centre, 5 ins. deep; and at 15 ft. from the centre, 3 ins....
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Bulletin - Geological Survey, Issue 8

Georgia. Department of Mines, Mining, and Geology - 1901 - 336 pages
...level bed, prepared for the road materials, a bottom course or layer of stones is to be set by baud, in the form of a close, firm pavement. The stones, set in the middle of the road, are to be seven inches in depth ; at nine feet from the center, five inches ; at twelve from the center,...
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