Map Of Saint Clair County, Illinois. Published by J.W. Holmes, Civil Engineer & Map Publisher, 1863. Field Surveys Conducted by R.S. Hodgen, C.E. & Surveyor. Manufactured by R. Pearsall Smith, 517, 519, 521 Minor St. Phila, Pa. Entered ... 1863 by Joseph W. Holmes ... Illinois. (with 15 inset maps).