<Table> <Tr> <Td> </Td> <Td> This section needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (February 2011) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This section needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (February 2011) (Learn how and when to remove this template message) </Td> </Tr> <P> James Ohio Pattie, along with a group of American trappers and mountain men, may have been the next European to reach the canyon, in 1826 . </P> <P> Jacob Hamblin, a Mormon missionary, was sent by Brigham Young in the 1850s to locate suitable river crossing sites in the canyon . Building good relations with local Hualapai and white settlers, he found the Crossing of the Fathers, and the locations what would become Lees Ferry in 1858 and Pearce Ferry (later operated by, and named for, Harrison Pearce)--only the latter two sites suitable for ferry operation . He also acted as an advisor to John Wesley Powell before his second expedition to the Grand Canyon, serving as a diplomat between Powell and the local native tribes to ensure the safety of his party . </P>

Who discovered the grand canyon and rocky mountains
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