Lewis and Clark were explorers. When Thomas Jefferson was president, he wanted someone to explore the land west of the Mississippi River. He sent Meriwether Lewis. Lewis asked William Clark to help him on this journey. They began their journey west in 1804. Two years later they returned. The expedition was nearly 8,000 mlles, from St. Louis, Missouri, to the Pacific Ocean, and back. Lewis and Clark kept a journal. It was filled with descriptions and drawings of the things they saw on their trip. Jeremy copied the underlined sentence directly from one of his research sources. Which revision correctly shows how Jeremy should indicate that these words are not his own? 01. The trip was about 8,000 miles, from St. Louis, Missouri, to the Pacific Ocean, and back. (Smith) 2. It has been recorded that the expedition was about 8,000 miles. They started in St. Louls, Missouri, went to the Pacific Ocean, and back. 03. Some history books say the trip was 8,000 miles because Lewis and Clark took a round trip Journey from St. Louis, Missouri to the Pacific Ocean. 04. In his book The Lewis and Clark Expedition, historian Marty Smith writes, "The expedition was nearly 8,000 miles from St. Louis, Missourl, to the Pacific Ocean, and back."