blog posts Conservation Police Officer, Illinois Dept. of Natural Resources (due May 31) May 3, 2021 1:15 pm by Susan HelminkJobs Share on Facebook Tweet Email Our mission is to preserve/protect the Natural Resources of the State. We have full police authorization to enforce all laws of the State, but focus primarily on those laws pertaining to Natural Resources and State Lands management. Additional Resources Application Information Recruiting Class Process Timeline Share on Facebook Tweet Email