Fig. 1From: Prescribed fires, smoke exposure, and hospital utilization among heart failure patientsPrescribed fires in North Carolina between 2014–2016. Map shows the number of prescribed fires in North Carolina between 2014–2016 by ZCTA. Fires outside any ZCTA were assigned to the nearest ZCTA code. Due to the large number of prescribed fires in the Fort Bragg military base (776, 13.2%) they were excluded from this figureBack to article page