biography
| sex:
| male
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| lived:
| (1806–63)
|
| biography:
| US soldier and explorer, born in New York City, New York, USA. Trained as a civil engineer, he entered the army in 1838 and engaged in years of survey work. He commanded an expedition that explored and surveyed the Great Salt Lake (1849–50), and later surveyed in the Great Lakes area and built military roads in Minnesota. |
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