biography
| name: |
MacDonald, Thomas Harris
|
| sex:
| male
|
| lived:
| (1891–1957)
|
| biography:
| Civil engineer, born in Leadville, Colorado, USA. In 1907–19 he developed the state highway system in Iowa. In 1919 he became chief of the federal Bureau of Public Roads, a position he held until his retirement in 1953. |
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