Character position definition and scope:

A one-character alphabetic code indicates that the category of material to which the item belongs is map.  The meaning of the remaining character positions in field 007 are dependent upon the value in this character position (007/00).  A fill character ( | ) is not allowed in this position.

Record requirements for National-level records:  Mandatory; for Minimal-level records:  Optional.

Guidelines for applying content designators:

Code:

Description:

a

Map - All cartographic materials except globes.  Code a is used when 008/25 Type of cartographic material contains code a (single map), code b (map series), code c (map serial), or code e (atlas).

To return, select:

007:  Map

007  Physical Description Fixed Field