D.C. Code § 22-1309: Throwing stones or other missiles.

It shall not be lawful for any person or persons within the District of Columbia to throw any stone or other missile in any street, avenue, alley, road, or highway, or open space, or public square, or inclosure, or to throw any stone or other missile from any place into any street, avenue, road, or highway, alley, open space, public square, or inclosure, under a penalty of not more than $500 for every such offense.