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Helicopter route chart, Washington, D.C.

Aeronautical chart showing numbered helicopter routes in the Washington D.C. metropolitan area. Relief shown by spot heights. "Includes airspace amendments effective January 14, 1988." Includes text, directory of helicopter routes, ancillary map of Pentagon vicinity, and statistical tables. DCP

Date
1988
Mapmaker / publisher
United States. National Ocean Service
Place
Washington, D.C.
Archive
Library of Congress (via Wikimedia Commons)
Type
chart
Original size
10,528 × 6,109 pixels

Public domainsafest

Reason: a US government work.

Read from: Commons licence category: PD US Government; no CC BY, CC BY-SA, GFDL or deletion tag on the file page.

Credit line

"Helicopter route chart, Washington, D.C." (1988). United States. National Ocean Service. Library of Congress, Geography and Map Division, via Wikimedia Commons. Public domain. https://commons.wikimedia.org/wiki/File:Helicopter_route_chart,_Washington,_D.C._LOC_90683484.jpg

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