 In December 2001, Dolack created a new work, the "Lewis and Clark and the Corps of Discovery at the White Cliffs of the Missouri," and donated it to the Lewis and Clark Interpretive Center near Black Eagle Dam on the Great Falls of the Missouri River.Posters of the work were used to raise money for the center, but it was sold for an undisclosed sum to First Interstate BancSystem three months later.Dolack's mother, Mary, died in 2002.