Jill Johnston

Assistant Professor, Population and Public Health Sciences and Spatial Sciences, USC

Assistant Professor of Population and Public Health Sciences and Spatial Sciences at USC

Jill Johnston on KCRW

LA was one of the biggest oil-producing regions in the world 100 years ago. Pictures from that time show forests of oil derricks dotting the landscape.

20,000 oil wells in LA County can cause health problems for nearby residents

LA was one of the biggest oil-producing regions in the world 100 years ago. Pictures from that time show forests of oil derricks dotting the landscape.

from Greater LA

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