By Ryan Morden, WRVO's Innovation Trail reporter
http://stream.publicbroadcasting.net/production/mp3/wrvo/local-wrvo-923369.mp3
WRVO – Drilling in the Marcellus Shale in Pennsylvania has created new jobs and secondary jobs serving those workers. In this final installment in this series about gas drilling, the Innovation Trail's Ryan Morden has a look at those secondary economic effects.