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District of Columbia zoning map polygons established under the Zoning Regulations of 2016 (ZR16). ZR16 superseded the Zoning Regulations of 1958 (ZR58), effective 9/6/2016. ZR16 has been...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: June 23, 2026 at 07:19 PM -
The following data is provided as a public service, for informational purposes only. This data should not be construed as legal advice. Users of this data should independently verify its...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: April 27, 2026 at 07:50 PM -
The following data is provided as a public service, for informational purposes only. This data should not be construed as legal advice. Users of this data should independently verify its...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: April 27, 2026 at 07:50 PM -
This dataset represents land cover mapping, physical habitat measurements, continuous hydrology measurements, salt tracer measurements, and benthic macroinvertebrate sample scores from nine small...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: November 01, 2025 at 12:03 AM
