By Michael J. Henderson, 2002. 5 postcards and viewing glasses; 7" x 5". 3-D view postcard set featuring 5 different views of the Oil Heritage Region
Views include: Two views of Petroleum Centre, PA (Diorama at Oil Creek State
Park); Oil Creek & Titusville Railroad; Pond Freshet Disaster on Oil Creek (Diorama at Drake Well Museum); and
Pithole City, PA. (Diorama at Pithole Visitor Center).