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MAR 2.0 Data Dictionary

Published by City of Washington, DC | District of Columbia | Catalog Last Checked: May 05, 2026 at 10:35 PM | Dataset Last Updated: May 05, 2026 at 02:42 PM
The Master Address Repository (MAR) 2.0 is the successor to the Master Address Repository. The Master Address Repository is a complex and widely accessed database that is increasingly being accessed by many DC Government applications. It is important to have high quality documentation readily accessible for such widely used databases. This document contains the column (field) definitions for the most important views, tables and feature classes within the MAR 2.0.

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