Sacajawea, and so-spelled on the inscription with no revisionist "
gaw" vulgarity.
This is one of the more moving representations I have seen. Bird Woman is depicted without contrived heroism, shown simply as a human dealing competently with the circumstances imposed by life.
The child is
Pomp, probably the son of Pierre Charbonneau, a mixed-blood fur trader and guide
. Beloved by Captain Clark, he would go on to frequent royal halls of Europe but return to live out his life on the American frontier.
Livingston, September, 2009
EDIT: The work is by Mary Michael of Bridger, Montana.