"American geographer" . "1868-12-20Z"^^ . . "Samuel Augustus Mitchell"@en . . "Mitchell, Samuel Augustus"@en . . . "1868Z"^^ . . . . "1790Z"^^ . "Samuel Augustus Mitchell (1790, Bristol, Connecticut \u2013 December 20, 1868, Philadelphia) was an American geographer.He was born in Connecticut. Mitchell worked as a teacher before turning to publishing geography textbooks and maps. He became involved in geography after teaching and realizing that there were so many poor quality geographical resources available to teachers. He moved to Philadelphia, Pennsylvania in either 1829 or 1830. He was in Philadelphia when he founded his company."@en . .