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
... Lake Agassiz . 8 Cross section of Minnesota river . 9 Cross section of Mississippi river . 10 11 12 Ancient and present drainage basin of Minnesota river . Levels of the Mississippi and Minnesota rivers in glacial times .. Falls of St ...
... Lake Agassiz . 8 Cross section of Minnesota river . 9 Cross section of Mississippi river . 10 11 12 Ancient and present drainage basin of Minnesota river . Levels of the Mississippi and Minnesota rivers in glacial times .. Falls of St ...
Página 40
... Lake Agassiz ( see " 9 Figure 7 ) , which extended from the south border 40 FARM DEVELOPMENT.
... Lake Agassiz ( see " 9 Figure 7 ) , which extended from the south border 40 FARM DEVELOPMENT.
Página 44
... Lake Agassiz . - While the southern line of the glacier was receding northward toward the region of Hudson Bay , there was a lake in the valley of the present Red River of the North , as shown in Figure 7 . This lake has recently been ...
... Lake Agassiz . - While the southern line of the glacier was receding northward toward the region of Hudson Bay , there was a lake in the valley of the present Red River of the North , as shown in Figure 7 . This lake has recently been ...
Página 45
... Lake Agassiz , " shows the area covered by the great glacier during the period when arctic cold extended far down into the temperate zone . The waters from the melt- ing glacier and from the annual rainfall flowed from the southern arm of ...
... Lake Agassiz , " shows the area covered by the great glacier during the period when arctic cold extended far down into the temperate zone . The waters from the melt- ing glacier and from the annual rainfall flowed from the southern arm of ...
Página 46
... Lake Agassiz " to flow over it , and thus drain the water of that lake to the northward into Hudson Bay , instead of to the southward into the Gulf LIMESTONE DRIFT SANDSTONE Figure 9 shows a cross - section of the Missis- sippi river ...
... Lake Agassiz " to flow over it , and thus drain the water of that lake to the northward into Hudson Bay , instead of to the southward into the Gulf LIMESTONE DRIFT SANDSTONE Figure 9 shows a cross - section of the Missis- sippi river ...
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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