While her name is spelled many different ways in the Lewis & Clark journals, at no time is it spelled with a "J"
[PAR] Wyoming and several other Western states spell it "Sacajawea," a Shoshone 
word for ... "I am not concerned how people spell her name," says Bonnie 
Butterfield, the ... Sacajawea scarely appears in the pages of Lewis's journals but 
Clark made ... are the only record written specifically about her during her short 
life-time.".