• Organization: District of Columbia
• Updated: 2024-09-05T16:45:01.000Z

Proposed boundaries of the State of Washington DC and Federal District as approved by DC Council on October 18, 2016. Read the complete testimony from the DC Office of Planning at: Office of...

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• Organization: District of Columbia
• Updated: 2025-12-22T15:26:28.000Z

Washington DC residents and visitors can enjoy free Wi-Fi access via outdoor and indoor hotspots throughout the District at key community anchor locations including DC public schools and public...

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• Organization: District of Columbia
• Updated: 2022-04-04T18:40:01.789Z

Pleiades satellite imagery from Washington, DC. Flown in June and November 2020. 1 meter spatial resolution. 4-band (red, green, blue, near-infrared). This dataset is provided as an ArcGIS Image...

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• Organization: District of Columbia
• Updated: 2011-07-15T00:00:00.000Z

In 2011, the District of Columbia government commissioned a project to survey the Washington D.C. historic boundary stones set in 1791 and 1792 that define the Maryland and (then Virginia) border...

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• Organization: District of Columbia
• Updated: 2013-07-03T00:00:00.000Z

The District of Columbia jurisdiction and administrative boundary. The boundary was identified from public land records and digitized using a combination of sources including the 1995...

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• Organization: Department of Justice
• Updated: 2005-11-04T00:00:00

This data collection effort is an investigation of criminological and sociological factors within the Black community with a focus on the alleged high incidence of violent crime committed by...

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• Organization: Department of Justice
• Updated: 1994-02-17T00:00:00

This study examined the use of arrestee urinalysis results as a predictor of other community drug problems. A three-stage public health model was developed using drug diffusion and community...

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• Organization: District of Columbia
• Updated: 2021-12-09T18:22:28.000Z

Scanned map provided by Sanborn showing Washington DC in 1880.

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• Organization: District of Columbia
• Updated: 2021-12-09T18:25:42.000Z

1793 Historic shaded relief map for Washington DC

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• Organization: District of Columbia
• Updated: 2024-10-09T15:10:19.000Z

Aerial Photography Download (Orthophoto) of Washington, DC at 1 foot resolution. Dated 1995.

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• Organization: District of Columbia
• Updated: 2021-12-09T17:48:01.000Z

The 1793 Good Plan for the city of Washington DC.

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• Organization: District of Columbia
• Updated: 2024-10-09T15:08:47.000Z

Aerial Photography Download (Orthophoto) of Washington, DC at 6 inch resolution. Dated 2012.

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• Organization: District of Columbia
• Updated: 2024-10-09T15:09:44.000Z

Aerial Photography Download (Orthophoto) of Washington, DC at 1 foot resolution. Dated 2002.

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• Organization: District of Columbia
• Updated: 2024-10-09T15:08:16.000Z

Aerial Photography Download (Orthophoto) of Washington, DC at 1 foot resolution. Dated 2005.

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• Organization: District of Columbia
• Updated: 2024-10-09T15:09:08.000Z

Aerial Photography Download (Orthophoto) of Washington, DC at 6 inch resolution. Dated 2010.

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• Organization: District of Columbia
• Updated: 2024-10-09T15:10:02.000Z

Aerial Photography Download (Orthophoto) of Washington, DC at 1 foot resolution. Dated 1999.

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• Organization: District of Columbia
• Updated: 2021-12-13T14:25:12.000Z

Airport runway, taxiway and helipads captured in 1999. Contract NCPC 93-02. This document describes the planimetric map production for the 350 tiles located in Washington DC and the surrounding...

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• Organization: National Institute of Standards and Technology
• Updated: 2018-02-23 00:00:00

Hourly methane mole fraction data collected from four tower sites in the Washington DC and Baltimore MD region as part of NIST's Northeast Corridor project. Dataset accompanying publication...

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• Organization: District of Columbia
• Updated: 2026-02-25T07:45:50.000Z

This dataset includes all block faces with parking in Washington, DC according to their digital curb identification number. Attributes include block address with side of street, resident permit...

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• Organization: Department of Justice
• Updated: 2010-07-30T09:46:57

The Urban Institute established the Reentry Mapping Network (RMN), a group of jurisdictions applying a data-driven, spatial approach to prisoner reentry. The purpose of the study was to examine...

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