. Pacific municipalities and counties . re Extremes Heavy traffic on a hot day pounds an asphalt pave-ment out of shape unless a pure asphalt binder of greatcompressive strength and resistance to impact is used. Reduce the asphaltum content of the road oil only 5per cent and the resistance is reduced 477> when theroad is at a temperature of 140 F.—and it often be-comes that hot on a sunny, summer day. E Grade Calol is ALL asphaltum—100 per cent—and has been proved under the most exacting condi-tions far superior to binders having a less percentageof asphaltum. As a matter of fact, at 140 F.
. Pacific municipalities and counties . re Extremes Heavy traffic on a hot day pounds an asphalt pave-ment out of shape unless a pure asphalt binder of greatcompressive strength and resistance to impact is used. Reduce the asphaltum content of the road oil only 5per cent and the resistance is reduced 477> when theroad is at a temperature of 140 F.—and it often be-comes that hot on a sunny, summer day. E Grade Calol is ALL asphaltum—100 per cent—and has been proved under the most exacting condi-tions far superior to binders having a less percentageof asphaltum. As a matter of fact, at 140 F. it is36r more effective than ?L-2 Grade Asphaltum,containing 95r asphaltum, at 68= F., and 40; moreeffective than L-3 Grade at the same lower tempera-ture. This has been proven by actual test. These facts assure the strength of roads made withE Grade Calol Asphaltum. Shipped in tank cars with steam coils for unloadingpurposes, and also in wood barrels. Standard Oil Company .CALIIORNIA) Standard Oil Building San Francisco, PACIFIC MUNICIPALITIES 283 What Our Pacific Coast Cities and Counties are Doing Oxnard received bids May 21 for the pur-cliase of $42,711 bonds for street improve-ments. Petaluma has adopted plans for the im-provement of portion of Redwood street. Pittsburg has ordered city engineer todraw plans for the paving of a portion ofRailroad avenue. Porterville received bids May 20 for im-r proving portion of Putnam avenue by grad-ing and paving with concrete four inchesthick. Redwood City lias passed resolution of in-tention for improving several streets by pav-ing with an asphaltic oil wearing surface. San Diego received bids May 28 for con-structing a public highway known as OtayMesa to San Ysidro road. San Joaquin County will proceed with im-I provement of Road District Xo. 3 by grad-ing, constructing oil macadam, concretecurbs and gutters, catch basins and will cost about $29,871. San Leandro will do some street and side-walk work this
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