Posted By Richard Sincovec on 2/25/2010 at 3:26 PM

Does anyone know how to identify the vertical datum of a FIRM panel from the FEMA Map Service Center? Is is possible?

The FIRM itself merely says "See Map Index for Elevation Datum". However, I'm not sure where I'm supposed to find this "Map Index". If I had the whole county kit, I'm sure it would be there, but I haven't been able to find any "Map Index" anywhere on the Map Service Center site.

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