he track, according to days upon the hand shovel as a means for clearing the the economy of its operation as compared with the the speed at which the wheel is being operated. More- tracks, and it was frequently necessary to detail all “gsouger” type of plow. A rotary never requires more over, the… … Meuntain Side. drifts, whereas it was nothing uncommon, when the tives in strings of three, four, or more, forming im- rotary, and bury the machine in a drift of its own making. wedge-shaped plows were almost universally employed provised battering rams, were employed to aid the on the Rocky…
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