Fig. 1
Study area population. 45 ZCTAs in western Montana included in study area symbolized by percent total population. Hospital location (ZCTA = 59804) represented by red circle
Fig. 1 | Environmental Health
Study area population. 45 ZCTAs in western Montana included in study area symbolized by percent total population. Hospital location (ZCTA = 59804) represented by red circle
Environmental Health