A new dollar coin was issued in early 2000. It
the young Shoshone woman who acted as an interpreter and diplomat for
Lewis and Clark expedition. From 1804 to 1806, she accompanied
from the Northern Great Plains to the Pacific Ocean. With her
son bound to her back, she single-handedly rescued Captain Clark's
from the Missouri whitewater, preserving much of the record of the
year of their expedition.
The coin is clad in a manganese brass alloy. It
weighs 8.1 gms,
and is 26.5 mm in diameter, 2.0 mm thick. By comparison, the
dollar weighs 5.7 gms, and is 24.3 mm in diameter, 1.75 mm thick.