Explore Chicago Collections
https://explore.chicagocollections.org/records/?f2-topics=Natural+%26+Built+Environments%3A%3AConservation&f3-institutions=University+of+Illinois+at+Chicago&f1-cities=River+Grove&f4-cities=Des+Plaines&f5-institutions=University+of+Illinois+at+Chicago&f6-cities=River+Grove&f7-cities=Des%20Plaines