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Corner of tabWatershed Management

National Hydrography Dataset
What's New

Map of Florida showing progress of high resolution NHD photo revision in Florida.

  • The Florida NHD revision program consists of a project manager, QA/QC manager and three editors.
  • Full photo revision yields approximately 150 square miles per month of updated data per editor.
  • Prioritization of sub basin editing is derived from date of original USGS 24K DLG quadrangle data, TMDL/WBID requests for updates, contractual agreements, requests from county/regional government and requests for miscellaneous revisions.


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Last updated: October 14, 2015

  2600 Blair Stone Road M.S. 3500   Tallahassee, Florida 32399   850-245-8336 (phone) / 850-245-8356 (fax) 
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