I ran across this and didn't see it anywhere. It mentions a possible 32 other bodies.

Unidentified Native American FemaleFound February 16, 1988 in Yakima County, Washington.

Estimated Age: Late 20's to early 30's
Race: Native American
Gender: Female
Height: 4'11"-5'1"
Case History

The victim was found on tribal land near Parker Dam in Yakima County, Washington on February 16, 1988.
There may be as many as 32 unsolved cases that occurred on the reservation in the 1980's and early 1990's involving missing persons and deaths that cold case detectives have re-opened.