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Map Legends From aeronautical charts of South America to topographical atlases of Kentucky, downtown’s ADC Map and Travel Center answers most cartographic needs—even the Secret Service’s. Tuesday morning, a sergeant from the service’s uniformed division pores over a D.C. map with a new colleague. The veteran apparently has little use for far-reaching cartography. He first asks for maps of just Northwest, but has to settle for a citywide version. “We don’t gotta worry about this crap,” he tells the rookie, placing his hand over east-of-the-river Washington. “Never go over there.” Later, pointing at Washington Hospital Center, he offers one other piece of wisdom: “Stay off Irving Street, too.” Armed with advice, the younger officer purchases the map.

Reporting by Jeff Becan, Stephanie Mencimer, Michael Schaffer, and Mark Stricherz.

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