Fracking Methods: Benefits and Impacts December 6, 2013UncategorizedLuis Espinal http://sites.lafayette.edu/es101-10-fa13/files/2013/12/Fracking-Methods-and-Impacts-Revised.mp3
ES: 101, Fracking: Methods and Impacts November 26, 2013Section 10b (Soh)Luis Espinal http://sites.lafayette.edu/es101-10-fa13/files/2013/11/Fracking-Methods-and-Impacts.mp3