Key's Crossing is a city located in Maryland. The town straddles a stretch of the Elk River, with the downtown business district being built on both sides of the waterway with bridges connecting the opposing lanes of traffic.

With a population of over 212,000, Key's Crossing is the second-largest city in Maryland. The city is named after 18th Century Loyalist Philip Barton Key, though whether Key ever actually crossed the Elk at that point is unknown.

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