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according to the chart above, from 1860 to 1900, there were approximately ____ miles of railroad track laid in the united states.

according to the chart above from 1860 to 1900 there were approximately miles of railroad track laid in the united states class=

Respuesta :

Answer:

100 miles

Explanation:

marybethadkins

Answer:  D.

Explanation: 259,000 -

                        30,000

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                      229,000

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