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 |
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Página vi
... Falls of St. Anthony at beginning of its recession . 13 Mississippi river at the Falls of St. Anthony . 48 49 49 50 50 17 Corn plant at four stages .. 72 73 19 20 21 74 75 75 77 23 24 77 78 14 Diagrammatic map showing origin of Minnehaha ...
... Falls of St. Anthony at beginning of its recession . 13 Mississippi river at the Falls of St. Anthony . 48 49 49 50 50 17 Corn plant at four stages .. 72 73 19 20 21 74 75 75 77 23 24 77 78 14 Diagrammatic map showing origin of Minnehaha ...
Página 34
... falling on the high places of the earth's surface washed the looser particles to the low places and with them the forms of life that then existed , thus leaving a record of the times in the fossils preserved in the layers thus formed ...
... falling on the high places of the earth's surface washed the looser particles to the low places and with them the forms of life that then existed , thus leaving a record of the times in the fossils preserved in the layers thus formed ...
Página 36
... fall of ice and snow continued to accumulate and finally extended southward in the United States , as shown by the map in Figure 7 , reaching to the Missouri and the Ohio rivers . It is not thought that this movement took place rapidly ...
... fall of ice and snow continued to accumulate and finally extended southward in the United States , as shown by the map in Figure 7 , reaching to the Missouri and the Ohio rivers . It is not thought that this movement took place rapidly ...
Página 44
... Falls of St. Anthony . - A very interesting chapter in the history of the glacial period , illustrating the magnitude ... fall to be drained off . The Ancient Lake Agassiz . - While the southern line of the glacier was receding northward ...
... Falls of St. Anthony . - A very interesting chapter in the history of the glacial period , illustrating the magnitude ... fall to be drained off . The Ancient Lake Agassiz . - While the southern line of the glacier was receding northward ...
Página 46
... fall over a precipice , but flowed gently into a body of water nearly as high as its own river bed , as shown in ... Falls of St. Anthony . This river at one time carried much more water than now ; but , as shown by the width between the ...
... fall over a precipice , but flowed gently into a body of water nearly as high as its own river bed , as shown in ... Falls of St. Anthony . This river at one time carried much more water than now ; but , as shown by the width between the ...
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Farm Development; An Introductory Book in Agriculture, Including a ... W. M. Hays Sin vista previa disponible - 2017 |
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acre agricultural animals better biped bottom brace building canal capillary capillary action capstan carry cement cents clay clover 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 limestone 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 roadside 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