|alt=Painting of tourists examining a Navajo weaving held up by a women with her daughter nearby His art career was affirmed when
Susie Peters, his mentor from his days at the
Chilocco Indian School sold a number of his paintings to the
San Francisco Museum of Art. A few years later he curated a collection of Native American art at the
Thomas Gilcrease Institute in
Tulsa. In 1943, Crumbo was commissioned to paint
The Rainbow Trail in the
Notawa post office. From 1948 to 1960, Crumbo lived in
Taos, New Mexico. He exhibited at numerous shows and became more widely known both nationally and internationally because he adapted some of his work to techniques of engraving and printing, making multiple originals. In 1973 he moved near
Checotah, Oklahoma, where he continued to create and to promote Native American art. == Prospecting ==