@misc{indiciaecbca130d5a35, title = {Origin of methane and sources of high concentrations in Los Angeles groundwater}, author = {Justin T. Kulongoski and Peter B. McMahon and Michael Land and Michael T. Wright and Theodore Johnson and Matthew K. Landon}, year = {2018}, doi = {10.1002/2017jg004026}, url = {https://pubs.usgs.gov/publication/70197806}, note = {Source identifier: 70197806} }