1911 Encyclopædia Britannica/Saint Clair
SAINT CLAIR, a borough of Schuylkill county, Pennsylvania, U.S.A., on Mill Creek, 3 m. N. of Pottsville, and about 40 m. by rail N.N.W. of Reading. Pop. (1910) 6455. Saint Clair is served by the Pennsylvania and the Philadelphia & Reading railways. It is engaged chiefly in the mining (very largely surface-stripping) and shipping of anthracite coal, and in the manufacture of miners' supplies. Saint Clair was settled in 1825 and was incorporated as a borough in 1850.