255 - CARTOGRAPHIC MATHEMATICAL DATA (R)

Mathematical data that is associated with map material including celestial charts. This data may also be coded in field 034 (Coded Mathematical Data).

Indicators

Subfield Codes

Examples


255

##$aScale not given.

255

##$aScale [ca. 1:90 0

255

##$aScale [1:6 336 0 1 = 100 miles. Vertical scale [1:192 0 1 = approx. 1000'.

255

##$aScale not given ;$bConic proj.

255

##$aScale 1:22 0 0 ;$bConic proj.$c(E 72°--E 148°/N 13 18

255

##$aScale 1 0 32 34 35 35

255

##$aScales vary$d(Zones +90° to +81° to 63° -81 to 98 $eeq. 1950).

255

##$aScale not given$d(RA 0 hr. to 24 hr./Decl. +90° to -90 1980