Lewis and Clark didn’t name a single landmark to commemorate their teenage interpreter, Sacagawea. They did honor her with “Bird Woman River,” apparently thinking the white translation of her difficult name—spelled many ways, both in their journals and today—would be memorable when her native name wasn’t. They would no doubt be astonished to discover today that her real name is as famous as theirs, and adorns scores of items, including parks and a massive lake that covers the land

January 2003