ore important question to us than structed, and about a quarter of a bucket of water splashed Gravel screenings or sand; a silicious gravel in pieces, say, most of the matters which occupy the time of Congress. It by the hand upon the outside—the outlying portions of the from % inch to 3 inches in… … 1855 and 1877. This shows of working, where it is spread the period within which the Fig. 3.—LAYING DOWN THE ASPHALTE COULfi. with shovels and with a sec- great change in the system of ond one of the three tined paving has been eilected. Be rakes. Here the eye of the master is called for, and he…
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