Hydraulic Fracturing
National Ground Water Association
Hydraulic Fracturing: Meeting the Nation’s Energy Needs While Protecting Groundwater Resources
http://www.ngwa.org/Documents/PositionPapers/hydraulic-fracturing-position-paper.pdf
U.S. Environmental Protection Agency
Natural Gas Extraction - Hydraulic Fracturing
http://www.epa.gov/hydraulicfracture/
Kansas Geological Survey
Hydraulic Fracturing of Oil and Gas Wells in Kansas
http://www.kgs.ku.edu/Publications/PIC/pic32.html
Ground Water Protection Council, Interstate Oil & Gas
FracFocus: Chemical Disclosure Registry
http://fracfocus.org/