The National Canal Museum Spring Lecture Series, in cooperation with the Pennsylvania Canal Society, will present a program by Lantz Metz at 7:30 p.m. March 21. The event will be held at the Emrick Technology Center, Hugh Moore Park, 2750 Hugh Moore Park Road, Easton.

Metz, Historian Emeritus of the National Canal Museum, will show film footage of towpath canals in operation in the Lehigh and Delaware Valleys until 1942. There is a cost; proceeds go to the National Canal Museum history fund. Seating is limited. For information, call 610-991-0503.