US National Grid 10km

Square tiles, at 1:10 000.

namer$ argument to CreateIndexOverlay and CreateIndexCoverage

• USNGNamer_10_000 (datum$,zone%)
  
  datum$
  The North American Datum to use, with values nad83 or nad27.
  
  zone%
  The UTM value which must be a number between 1 and 60 inclusive.

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