Trail and Marl Works
White Lake Natural Resource Area, Hardwick NJ
It is difficult to show the sheer size of the ruins in a single photograph but here is the hiking trail winding around the old Marl Works.
Mi from Metrotrails has posted a historic photo here – https://www.facebook.com/metrotrails/photos/a.977726748930530/1111942512175619/
Canon 5Dsr + Tamron SP 15-30mm