Drip glaze, blue, tan & grey layered Handcrafted studio art pottery vase

The artist of this piece is believed to be Mark "Arne" Arnegard, a well-known studio ceramicist based in Flagstaff AZ A fixture in the AZ art scene since the late 1960's He often signs his work on the base with "Arne" and often the year of the piece This one is hard to identify (see photos for best attempt) A lot of his pieces are influence by Southwestern landscapes (like Mesas or desert scenes) He is also known for his drip glaze and "wave" patterns seen on this vase He operates Arne Ceramics out of a studio on historic Route 66 in Flagstaff.