They named it Jones County after John Paul Jones, the early American Naval hero who rose from humble Scottish origin to military success during the American Revolution. Ellisville, the county seat, was named for Powhatan Ellis, a member of the Mississippi Legislature who claimed to be a direct descendant of Pocahontas.
An avalanche occurs when the stress (from gravity) trying to pull the snow downhill exceeds the strength (from bonds between snow grains) of the snow cover. Four conditions must be present for an avalanche to occur: 1  a steep slope. 2  a snow cover. 3  a weak layer in the snow cover. 4  a trigger.
â¢Landslides can cause buildings to fall, or power and gas lines to break. â¢Landslides even occur on the continental slope in the ocean. Volcanic eruptions â¢Volcanoes are mountains with openings in Earthâs crust through which magma, gases, and ash reach Earthâs surface. â¢Volcanoes can change Earthâs surface.andforms and Oceans5.3 The student will demonstrate an understanding of features, processes, and changes in Earthâs land and oceans. (Earth Science)5-3.4 Explain how waves, currents, tides, and storms affect the geologic features of the ocean shore zone (including beaches, barrier islands, estuaries, and inlets).