Alarge pillar like stone that had laws engraved on it

mount st. helens in washington erupts, causing a massive avalanche and killing 57 people on this day in 1980. ash from the volcanic eruption fell as far away as minnesota. seismic activity at mount st. helens, which is 96 miles south of seattle, began on march 16.

equal area projections

equal-area projection. a projection in which regions on the earth's surface that are of equal area are represented as equal.