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Transportation
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Polygon
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Year
2007
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1. Airport Land Use Compatibility Zones: Humboldt County, California, 2007
2007. von Dohlen, Jerry. This polygon shapefile depicts boundaries of Airport Land Use Compatibility Zones in the County of Humboldt, California for the following airports:... Humboldt County Planning and Building Department.
2. Non-attainment and Maintenance Areas for Air Pollutants: Indiana
2007. Research and Innovative Technology Administration and Bureau of Transportation Statistics. Polygons in this shapefile indicate areas in Indiana designated as non-attainment for ozone and (or) PM-2.5; or maintenance for ozone, carbon monox...