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|  MIL-D-89009
APPENDIX
30.3.6 Hypsography coverage.
a. Hypsography coverage. This coverage contains the
majority of the hypsography information in the DCW.
Some special case elevational information, however, is
found in other coverages. For example, airport
elevations are stored in the aeronautical coverage, and
unclosed contours and contours at intervals other than
1000 feet are contained in the hypsography-supplemental
coverage. Hypsography information is stored as area,
line, and point feature tables. Attribute values are as
described in the integer value description table
(TABLE 82).
b. HYAREA.AFT attribute definitions. TABLE 83 describes
the hypsography area feature table (HYAREA.AFT)
attribution.
c. HYLINE.LFT attribute definitions. TABLE 84 describes
the hypsography line feature table (HYLINE.LFT)
attribution.
d. HYPOINT.PFT attribute definitions. TABLE 85 describes
the hypsography point feature table (HYPOINT.PFT)
attribution.
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