 | Dennis Hart Mahan - 1846 - 380 páginas
...its surface should be kept dry, it will be necessary to remove from it, as far as practicable, afl objects that might obstruct the action of the wind...the side drains, for independently of shading the road- way, their roots would in time throw up the road-covering. RAILWAYS. 663. THE great resistance... | |
 | Dennis Hart Mahan - 1852 - 420 páginas
...that its surface should be kept dry, it will e necessary to remove from it, as far as practicable, all objects that might obstruct the action of the wind...the road-way, their roots would in time throw up the loao-cov wring. Sec Jfote B^ Appendix. RAILWAYS. 663. THE great resistance offered to the force of... | |
 | Henry Law - 1855 - 180 páginas
...its surface should be kept dry, it will be necessary to remove from it, as far as practicable, all objects that might obstruct the action of the wind...the roadway, their roots would in time throw up the roadcovering. Plank Roads. — A road-covering, consisting of thick boards, or planks, resting on longitudinal... | |
 | Dennis Hart Mahan - 1855 - 446 páginas
...its surface should be kept dry, it will be necessary to remove from it, as far as practicable, all objects that might obstruct the action of the wind...; and no trees should be suffered to stand on the load-side of the side drains, for independently of shading th« road-way, their roots would in time... | |
 | Ohio State Board of Agriculture - 1870 - 740 páginas
...its surface should be kept dry, it will be necessary to remove from it, as far as practicable, all objects that might obstruct: the action of the wind...and the sun on its surface. Fences and hedges along t he road should not be higher than five feet ; and no trees should be suffered to stand on the roadside... | |
 | Dennis Hart Mahan - 1867 - 428 páginas
...its surface should be kept dry, it will oe necessary to remove from it, as far as practicable, all objects that might obstruct the action of the wind...the road-way, their roots would in time throw up the roatl-cov ering. See Note B., Appendix. RAILWAYS 663. THE great resistance offered to /he force of... | |
 | Ohio State Board of Agriculture - 1870 - 736 páginas
...will be necessary to remove from it, as far as practicable, all objects that might obstruct the notion of the wind and the sun on its surface. Fences and...feet; and no trees should be suffered to stand on tie roadside of the side drains, for, independently of shading the roadway, their roots, in time, throw... | |
 | Dennis Hart Mahan - 1871 - 468 páginas
...road should not be higher than five feet ; and no trees should be suffered to stand on the load-side of the side drains, for independently of shading the road-way, their roots would in time throw up the road-co? ering. Hee Xott £., Appendix. RAILWAYS 663. THE gieat resistance offered to ihe force of... | |
 | Dennis Hart Mahan - 1873 - 560 páginas
...its surface should be kept dry, it will be necessary to remove from it, as far as practicable, all objects that might obstruct the action of the wind...should be suffered to stand on the road-side of the side-drains, for independently of shading the road-way, their routs would in time throw up the road-covering.... | |
 | Dennis Hart Mahan - 1873 - 560 páginas
...higher than five feet ; and no trees should be suffered to stand on the road-side of the side-drains, for independently of shading the road-way, their roots would in time throw up the road-c< ivering. 731. Plank-Roads. Plank-roads were very popular a few years since. The road was carefully... | |
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... objects that might obstruct the action of the wind and the sun on its surface. Fences and hedges along the road should not be higher than five feet ; and no trees should be suffered to stand on the road-side of the side drains, for independently of... 
