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Apps and Maps
The District of Columbia offers several custom online mapping applications. Some of these are built for DC agency specific goals and business processes while others are focused on serving DC residents and the public in general.
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Connect Web Services
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The District of Columbia's Open Data DC site shares a variety of online web services for you to integrate into applications and desktop tools. Use these to save time and avoid the uncertainty of having current data.
Open Data DC
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,On this site the District of Columbia government shares opportunities to explore hundreds of datasets through direct downloads, interactive applications and developer resources through APIs. Engage with the District through government open data.,,
District of Columbia Data Policy Amendment
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Amendment. A comprehensive data policy for the District of Columbia government. The data created and managed by the District government are valuable assets and are independent of the information systems in which the data reside.
Open Data Handbook 2018
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The Office of the Chief Technology Officer (OCTO), within the District of Columbia (DC) government, manages the District’s data program. This includes open data, business intelligence, data curation, and Geographic Information Systems (GIS). The open data handbook explains the process and steps the OCTO data program undertakes when an agency submits an open dataset. More importantly, the handbook documents dataset rules, metadata requirements, and policies to make data consistent and standardized. This applies to any dataset submitted for publication on DC’s open data portal.
DC Quadrants
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地政总署「地形图」应用程式介面
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地政总署「地形图」应用程式介面
DC Business Incentives Map-Lookup
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The District of Columbia offers a wide variety of incentives for businesses looking to locate or expand their business in the nation’s capital. Locate the geographic areas in the city that offer incentives for Enterprise Zones, Hub Zones, Supermarket Tax Credit Zones and more. As the District’s lead economic agency, the Office of the Deputy Mayor for Planning & Economic Development encourages businesses to pursue those incentives and programs that best fit their business. Agency Website.
District Government Agency List Lookup
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L'Enfant Plan Street Boundaries
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L'Enfant Plan of Washington. The dataset contains polygons representing the L'Enfant Plan historic district, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of the Chief Technology Officer (OCTO) and participating D.C. government agencies. This district was identified from public records, including published maps and the National Register nomination form. It was created by buffering along the planimetric street centerline at specified distances, as referenced in the 1803 King Plats, ranging from 70 to 160 feet.
Post Offices
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