Universal Portland Cement Co., C. W. Boynton · Universal Portland Cement Co. · leaf 19
base of a walk will depend to a great extent upon the localityin which the work is contemplated. The builder can best de-termine from the materials available, which one is the most sat-isfactory and economical. The one chosen must be of such a char-acter as to withstand tamping without crushing to… … Tyrcrl. CROSS SCCTIOP. PBVCr^E^nT^S ™- WP1LK5CITY PITTSBURGH. Figure 5.
