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|  MIL-D-89009
APPENDIX
30.3.4 Drainage coverage.
a. Drainage coverage. This coverage contains drainage or
hydrographic feature information stored as area, line,
and point feature tables. The area and point feature
tables require only the TYPE attribute. The line
feature table implements the TYPE and STATUS attributes
to describe drainage line information. Attribute values
are as described in the integer value description table
(TABLE 74).
b. DNAREA.AFT attribute definitions. TABLE 75 describes
the drainage area feature table attribution
(DNAREA.AFT).
c. DNLINE.LFT attribute definitions. TABLE 76 describes
the drainage line feature table attribution
(DNLINE.LFT).
d. Legal code combinations. Since there are two
combinatorial attributes in the drainage line feature
table, TABLE 77 provides a listing of the legal code
combinations and the resulting descriptions.
e. Attribute definitions. TABLE 78 describes the drainage
point feature table (DNPOINT.PFT) attribution.
f. Text feature table. TABLE 79 provides the schema for
the drainage text feature table (DNTEXT.TXT). Text
strings may contain diacritical marks or special
characters. All drainage text pertaining to point
features is 1.52 millimeters (0.06 inch) in height.
Text pertaining to area features is stored as one of
four different heights: 1.52 millimeters (0.06 inch),
2.03 millimeters (0.08 inch, 2.54 millimeters (0.10
inch), and 3.81 millimeters (0.15 inch).
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