Death on the Railroad (PBS TV)
![SuperSting Electrical Resistivity Imaging PBS Death on the Railroad burial site SuperSting Electrical Resistivity Imaging PBS Death on the Railroad burial site](http://www.agiusa.com/sites/default/files/Death-on-the-railroad-pbs.PNG)
Less than two months after 57 Irish immigrants were hired to lay railroad track in Pennsylvania in 1832, all were dead. Were they victims of a cholera epidemic or something much darker? Both Electrical Resistivity Imaging (ERI) and Ground Penetrating Radar (GPR) surveys were done. Skip to 13min 25 seconds for the Geophysics.