Character position definition and scope:

A one-character alphabetic code indicates the technique used to produce the cartographic resource.  A fill character ( | ) is used when no attempt has been made to code this position.

Record requirements for National-level and Minimal-level records:  Optional.

Guidelines for applying content designators:

Code:

Description:

a

Photocopy, blueline print

b

Photocopy  Map is a photocopy of the original.

c

Photographic pre-production

d

Film  Map is a film copy of the original.

u

Unknown  Production/reproduction details are not known.

z

Other  Production/reproduction details for which none of the other defined codes is appropriate.

|

No attempt to code

Content designator history:

cPre-production  [renamed, 2018] [redescribed, 2018]

To return, select:

007:  Map

007  Physical Description Fixed Field