Made a quick trip up to eastern Illinois in December to sample bottomland oak at Sielbeck Forest and Beall Woods, both of which have some very nice old growth oak. Sielbeck is just north of Metropolis IL, in the former channel of the Ohio River (8K years ago) and Beall Woods is adjacent to the Wabash River. Both locations have several species of spectacular old oaks (300+ years old) such as overcup (Q. lyrata), bur oak (Q. macrocarpa), swamp white oak (Q. bicolor) and of course white oak (Q. alba). https://plus.google.com/+MatthewTherrell/posts/Vwz387ddg2r and https://plus.google.com/+MatthewTherrell/posts/iuLQT2gKtqP