All excavated or surface-collected areas of a site are assigned PD (provenience designation) numbers, which uniquely identify specific horizontal and vertical locations at the site. The following provenience data are available in this section of the database:
study unit type and number
subdivisions within a study unit
feature type and number
subdivisions within a feature
The provenience data are supplemented by the following information, which provides important details about field methods and deposit types:
excavation method
collection method
fill assemblage position
fill assemblage type
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