Heidelberg Materials Plant Tour Nov 21 Written By Lehigh Valley ASCE . LVASCE hosted a site tour and presentation about the Heidelberg Materials Plant. Use the link below to add your own photos! Have your own photos from this event? Upload them here! Submit Photos Lehigh Valley ASCE .
Heidelberg Materials Plant Tour Nov 21 Written By Lehigh Valley ASCE . LVASCE hosted a site tour and presentation about the Heidelberg Materials Plant. Use the link below to add your own photos! Have your own photos from this event? Upload them here! Submit Photos Lehigh Valley ASCE .
