Maryhill Museum of Art has announced its special exhibition lineup for its 75th anniversary season in 2015.  American Indian Painting:  20th Century Masters will open the season and be on display through July 5, featuring some of the most important American Indian artists of the century.  That will be followed by An Abundance of Riches:  Woodcuts of Andrea Rich, featuring 40 prints by the internationally recognized printmaker.  Other exhibits planned for next year to be on display throughout the season include the glass art of Raven Skyriver, an exhibition of Wasco County photographers from the late 19th and early 20th century, the paintings of R.H. Gammell and his students, and prints from the construction of the Historic Columbia River Highway.  Maryhill’s season opens on March 15.