6 entries match your criteria. Related Historical MarkersTo better understand the movements of this unit, study each marker in the order shown. By Allen Gathman, March 18, 2011 Camp of 20th Illinois Infantry Marker SHOWN IN SOURCE-SPECIFIED ORDER1► Tennessee (Hardin County), Shiloh — A6 — Camp of 20th Illinois Infantry Marsh's Brigade - McClernand's Division Army of the Tennessee — 2► Tennessee (Hardin County), Shiloh — 25 — Marsh's Brigade McClernand's Division Army of the Tennessee — 3► Tennessee (Hardin County), Shiloh — 27 — Marsh's Brigade McClernand's Division Army of the Tennessee — 4► Tennessee (Hardin County), Shiloh — 58 — McAllister's Battery McClernand's Division Army of the Tennessee — 5► Tennessee (Hardin County), Shiloh — 28 — Marsh's Brigade McClernand's Division Army of the Tennessee — 6► Tennessee (Hardin County), Shiloh — 59 — McAllister's Battery McClernand's Division Army of the Tennessee —