Farm Development: An Introductory Book in Agriculture, Including a Discussion of Soils, Selecting & Planning Farms, Subduing the Fields, Drainage, Irrigation, Roads, Fences, Together with Introductory Chapters Concerning Farm Business, and the Relations of General Science to AgricultureOrange Judd Company, 1910 - 391 páginas |
Dentro del libro
Resultados 1-5 de 32
Página x
... Macadam road cross section . 305 180 Roadway made of 8 inches of gravel on peat . 305 181 Road with side ditches with vertical outer edges . 182 Road made with reversible road machine . 183 Road with rounded ditches . 306 306 307 184 ...
... Macadam road cross section . 305 180 Roadway made of 8 inches of gravel on peat . 305 181 Road with side ditches with vertical outer edges . 182 Road made with reversible road machine . 183 Road with rounded ditches . 306 306 307 184 ...
Página xi
... macadam surface . 212 First course of stone for macadamizing . Three courses of macadam surface .. 213 214 Macadam surface .. 320 321 321 324 325 : 326 326 326 326 215 Heavy telford road surface . 328 216 Telford road surface . 328 217 ...
... macadam surface . 212 First course of stone for macadamizing . Three courses of macadam surface .. 213 214 Macadam surface .. 320 321 321 324 325 : 326 326 326 326 215 Heavy telford road surface . 328 216 Telford road surface . 328 217 ...
Página 275
... macadam stone surfacing for a civilization with consolidated rural schools . accommodations . They have contentedly paid high freight and passenger charges , and railroading has been sufficiently profitable to attract capital so that ...
... macadam stone surfacing for a civilization with consolidated rural schools . accommodations . They have contentedly paid high freight and passenger charges , and railroading has been sufficiently profitable to attract capital so that ...
Página 285
... macadam roads . For the purposes of estimating the cost of further construction , it may be assumed that there are yet to be constructed 10 per cent of the entire mileage , or 225,000 miles of macadam ; 30 per cent , or 675,000 of ...
... macadam roads . For the purposes of estimating the cost of further construction , it may be assumed that there are yet to be constructed 10 per cent of the entire mileage , or 225,000 miles of macadam ; 30 per cent , or 675,000 of ...
Página 289
... macadam roadway , cannot usually be made in a theoretical or offhand way . In some cases , the most economical and best way for man- aging the construction of the road surface can be deter- mined only after the grade has been nearly ...
... macadam roadway , cannot usually be made in a theoretical or offhand way . In some cases , the most economical and best way for man- aging the construction of the road surface can be deter- mined only after the grade has been nearly ...
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Farm Development; An Introductory Book in Agriculture, Including a ... W. M. Hays Sin vista previa disponible - 2017 |
Términos y frases comunes
acre agricultural amount of water animals better biped bottom brace building canal capillary capillary action capstan carry cement cents clay construction corn corner post cost crop rotation crops cubic yard cultivation culverts datum deep depth drain tiles drainage earth engine expense farm home farmers farmstead feet fence fields flood water flow Fresno scraper furrow-slice furrows gate glacial glacier grade grain Grass gravel ground water height Illustrated inches instrument irrigation labor lake Lake Agassiz layer low area macadam material mile Minnesota Minnesota river Mississippi river mixed moisture necessary open ditch outlet particles peat plow practical profitable rain rainfall reversible road machine river road roller roadway rock roots rotation rural sand schools showing shown in Figure side soil spade station stone stream stumps subsoil tile drains tion tivated trees wagon wheat wire fence