Three words that describe a historian may be:
Expert, recorder, and knowledgeable
On June 25, 1950, the Korean War<span> began when North </span>Korea<span>, supported by the Soviet Union and China, invaded South </span>Korea<span>, which was supported by the </span>United States<span>. General MacArthur, leader of the United Nations forces, drove the North Koreans back across the divide, yet encountered a Chinese invasion.
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During Radical Reconstruction blacks gained rights in the South that would have been unthinkable just decades earlier, and some were elected to office. Radical Reconstruction also saw the South's first publicly funded education system, economic development programs and anti-discrimination laws.
Keeping in mind the description of the stone point given in the story, we can state Marshall the rancher was looking at a Folsom point.
As it's known, a Folsom is a kind of stone point with a leaf-like shape which has a concave base and wide, shallow grooves/flutes running almost the entire length of the point.