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Above: This photo was taken from Interstate Highway #15, about 20 miles southwest of Great Falls (between Cascade and Ulm). Crown Butte (left) and Square Butte (right) are two of the many exposed laccoliths located in the Great Falls area of central Montana. Square Butte, which can be seen for many miles, was a favorite of Charlie Russell (Montana's most famous artist). Russell (1846-1926) included it in several of his paintings. A likeness of Square Butte was also featured on the Montana license plates issued in the 1990s.
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2. Whats a laccolith? |