Engineering and Contracting . Fig. 3 Rough Grade Before Stakinn for Side Formg. Cali-fornia State Highway. Fig. c .ecking Subgrade Before Material i« Distributedfor Mixer, California State Highway. teadv that it is very hard for the four plow This outfit would root about ) ft per it is generally the practice to run a i-horse men to guide the rooter or plow. The follow- day. and the cost per lineal foot was there- plow back and forth through the material 182 Engineering and Contracting Vol. XLI. No. 6. until all the larger lumps are broken, andit is in shape for the road graders and into a


Engineering and Contracting . Fig. 3 Rough Grade Before Stakinn for Side Formg. Cali-fornia State Highway. Fig. c .ecking Subgrade Before Material i« Distributedfor Mixer, California State Highway. teadv that it is very hard for the four plow This outfit would root about ) ft per it is generally the practice to run a i-horse men to guide the rooter or plow. The follow- day. and the cost per lineal foot was there- plow back and forth through the material 182 Engineering and Contracting Vol. XLI. No. 6. until all the larger lumps are broken, andit is in shape for the road graders and into account the thickness of the pavement;for example, in the Healdsburg-Santa Rosa construction to check his rough grade eleva-tion as frequently as he desires, and it makes


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Keywords: ., bookcentury1900, bookdecade1900, bookpublisherchicago, bookyear19