Looks like that backyard slopes down to the Kankakee. My sister lives on the river in Custer Park and her backyard looks just like that.
Decent smallie btw
Lo the angler. He riseth in the early morning and upsetteth the whole household. Mighty are his preparations. He goeth forth with great hope in his heart and when the day is far spent, he returneth, smelling of strong drink, and the truth is not in him.