| 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... | |
| 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;... | |
| 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... | |
| 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... | |
| 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... | |
| 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.... | |
| 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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