|
|
|
|
|
|
|
|
|
|
|
|
|
| FEMA mapped and prepared Flood Insurance Studies
(FISs) for |
||||||||||||
| thousands of communities with flood elevations |
||||||||||||
| › | vertical reference is the datum as defined by NGS |
|||||||||||
| FISs contain flood profiles |
||||||||||||
| Flood Insurance Rate Maps (FIRMs) contain flood
elevations and |
||||||||||||
| Elevation Reference Marks (ERMs) |
||||||||||||
| Letters of Map Amendment and Revision (LOMAs and
LOMRs) are |
||||||||||||
| issued based on elevation comparisons |
||||||||||||
