Born in Virginia , Greenwood took part in trapping expeditions organized by associates of John Jacob Astor in 1810 and by Manuel Lisa in 1812 - 1813 .
Caleb Greenwood ( c. 1783 -- c. 1850 ) was a Western U.S. fur trapper and trail guide .
Born in Virginia , Caleb Greenwood took part in trapping expeditions organized by associates of John Jacob Astor in 1810 and by Manuel Lisa in 1812 - 1813 .
Caleb Greenwood ( c. 1783 -- c. 1850 ) was a Western U.S. fur trapper and trail guide .