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UNIT DATUM - Humanities

Field label
UNIT DATUM
Field mnemonic
UD
Field name
  • Unit Datum
  • Point de référence
Field definition
This field contains the elevation of the unit datum point above or below the main vertical site datum.
Heading
ARCHAEOLOGICAL SITE FIELDS
Comments
NOTE: This field has NOT been updated as part of the May 2010 Data Dictionary update. Priority for the Data Dictionary update was given to those fields that are required or strongly recommended for Artefacts Canada contribution. The Entry Rules for this field will be updated at a later date.
Entry rules
Enter the unit datum.
Cataloguers rules
For clarification, refer to: Loy, T. & G.R. Powell. 1977. "Archaeological Data Recording Guide". Heritage Record No.3, British Columbia Provincial Museum (now the Royal B.C. Museum). Victoria. Diagram 43. See also, Unit Datum Measurement (UDM), Minimum Depth Below Surface (DBSMN), Maximum Depth Below Surface (DBSMX) and Depth/Units (DBSU).
Data type
alpha-numeric string
Discipline
  • Archaeology
Field label (French)
POINT DE REFERENCE
Field mnemonic (French)
PREF

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