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UNIT DATUM MEASUREMENT - Humanities

Field label
UNIT DATUM MEASUREMENT
Field mnemonic
UDM
Field name
  • Unit Datum Measurement
  • Mesure du point de référence
Field definition
This field contains the measurement of the vertical distance from the unit datum to the object.
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 depth above or below the unit datum, that is, the vertical distance measurement from the unit datum to the object.
Cataloguers rules
See also, Unit Datum (UD), Minimum Depth Below Surface (DBSMN), Maximum Depth Below Surface (DBSMX) and Depth/Units (DBSU).
Data type
alpha-numeric string
Discipline
  • Archaeology
Field label (French)
MESURE DU POINT DE REFERENCE
Field mnemonic (French)
MPREF

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