Hemphill5y.zip https://www.tceq.texas.gov/downloads/permitting/air/modeling/air-dispersion/counties-h-k/hemphill5y.zip/view https://www.tceq.texas.gov/@@site-logo/TCEQ-1072x1072.png Hemphill5y.zip Hemphill5y.zip — 4.4 MB