10 Illinois and 2 Indiana geocachers got together and created 12 Adventure Labs following the entire Lincoln Highway through Illinois.  Border to border. Plus one section over the line in Indiana.  These 12 Adventure Labs stretch just over 200 miles.  The Lincoln Highway has hundreds of commemorative gazebos, murals and other historical monuments and artifacts along the way and is an interesting historical marvel.   Anyone in the other states want to pick up where we left off?  The ent