Saturday, April 17th, Paleontology Study Group Meeting. 7:30 p.m. College of Dupage, Building K, Rm 161. NOTE: Room changed from 131 to 161. ESCONI members, Tehrese & Duane Cushhing will give a presentation of their Burpee Field trip to the Hanksville Quarry.

Sunday, April 18th, Orland Park Rock, Fossil, Gem & Mineral Show