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. Author manuscript; available in PMC: 2022 Mar 11.
Published in final edited form as: Environ Sci Technol. 2019 Feb 4;53(4):2220–2228. doi: 10.1021/acs.est.8b05355

Figure 4.

Figure 4.

County representations of the total number of flares (a) and the number of nights with at least one flare in the county (b) over the 2012 to 2016 study period.