MT. CARMEL, Utah--(BUSINESS WIRE)--May 2019 marks the 150-year anniversary of John Wesley Powell’s famed 1869 expedition exploring the Green and Colorado Rivers. The Thunderbird Foundation for the Arts, housed in the historic Maynard Dixon Living History Museum in Mt. Carmel, Utah, is celebrating this historic event and the impact that it had on the land and the people with a special event on May 18, 2019. Thunderbird Foundation for the Arts celebrates the 150-year anniversary of the John Wesley Powell expeditions with a new book, new art, and a special event May 18, in Kane County, UT. The Museum that...