"Joseph Nisbet LeConte (February 7, 1870 \u2013 February 1, 1950) was a noted explorer of the Sierra Nevada. He was also a cartographer, a photographer and a professor of mechanical engineering."@en . . . "Leconte, Joseph Nisbet"@en . "Joseph Nisbet LeConte"@en . . . "1870-02-07Z"^^ . . "1950-02-01Z"^^ . "1870Z"^^ . "American explorer" . . . "1950Z"^^ .