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This map service is made from TDOT orthoimagery flown by TDOT- Aerial Surveys. The source imagery has a resolution 1 foot (pre-2022) and is 6 inch (post-2022). TDOT Aerial Surveys collects 1 TDOT Region per year. The service is updated on a county-by-county basis as new imagery is made available. Projection: Web Mercator. This layer will provide you with the image collection year.<\/SPAN><\/P><\/DIV>", "summary": "", "title": "Tennessee Ortho Index", "tags": [], "type": "", "typeKeywords": [], "thumbnail": "", "url": "", "minScale": 0, "maxScale": 0, "spatialReference": "", "accessInformation": "TDOT Aerial Surveys", "licenseInfo": "" }