. 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 agriculture . d machine, even before special surfac-ing is applied, is indeedvery great. Mere wheeltracks cut into the surfaceof the native sod. and rutsand miserable mire holesin low areas are becomingthings of the past, androunded roadbeds, fromwhich the water runs intothe roadside ditches, are avery great improvement.
. 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 agriculture . d machine, even before special surfac-ing is applied, is indeedvery great. Mere wheeltracks cut into the surfaceof the native sod. and rutsand miserable mire holesin low areas are becomingthings of the past, androunded roadbeds, fromwhich the water runs intothe roadside ditches, are avery great the desires and demandsfor better roads increase,and as the profits of ourfarms and other industriesaccrue so that the expensecan be borne, these roadbeds will serve the most im-portant purpose of well-formed and properly drainedsubstructures upon which to place a surface of gravelor harder material. The reversible road machine is theforerunner of the gravel car, the stone crusher and thepaving brick kiln. Even the iron rails adapted to carry-ing the rural electric car as well as the wheels of theproduce wagon are seeking roadbeds made by the re-versible road machine. Rural mail deliver3^ the ruralindustries and the social life of rural communities owemuch to this simple Figure 2ft0. Reversilile machine carryill!; dirt from deep roadside diloli tmvard tli(center of the road. ROADS A\D )(;i:s 3^7 The elevating grader, Figures 202 to 204, inclusive, isused in a manner similar to that described for the revers-ible machine in grade construction. \Miile plowing issometimes necessary to loosen the earth that it may beeasily moved by the reversible machine, the elevatinggrader has its own plow. Eight to sixteen horses arerequired to operate this powerful machine. It is managedby one man. while each driver guides four or even eighthorses. It does not place the earth in position to forma well-rounded road and the reversible road machinemust be used to finish the
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectagriculture, bookyear
