Access / Use
Access & Use

Broadening the access to archaeological data through simple search and browse functionality.

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Contribute documents, datasets, images, and other critical archaeological materials.

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Dedicated to ensuring long-term preservation of digital archaeological data.

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Who Uses tDAR

Researchers like you. Uncover knowledge of the past, and preserve and protect resources.

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Featured Collection

Maryland Archaeological Conservation Laboratory: The Maryland Archaeological Conservation Laboratory (MAC Lab) is a archaeological research, conservation and curation facility located at Jefferson Patterson Park & Museum, the State Museum of Archaeology, in southern Maryland. The MAC Lab serves as a clearinghouse for archaeological collections recovered from projects conducted throughout Maryland, as well as collections from private donations ( The digital records for the MAC Lab's collections are available here and are organized according to contributing installation. They are further organised by MAC Lab accession number and/or by archaeological site.