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Mill Frequency and Sediment Load in Bennington, Caledonia, and Chittenden Counties, Vermont. Andrew Boule and Miles Sturm December 10, 2003. How A Mill Works - The Wheel House. Introduction. - counties chosen for varying geography. -painting of mills, dams, and ponds. Methods.

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Mill frequency and sediment load in bennington caledonia and chittenden counties vermont
Mill Frequency and Sediment Load in Bennington, Caledonia, and Chittenden Counties, Vermont

Andrew Boule and Miles Sturm

December 10, 2003


How A Mill Works - The Wheel House and Chittenden Counties, Vermont


Introduction and Chittenden Counties, Vermont

- counties

chosen for

varying

geography

-painting of

mills, dams,

and ponds


Methods and Chittenden Counties, Vermont

• Looked for mills on Walling’s maps, 1856 - 1858

• Calculated mill frequency for each town (per square mile)

• Looked for relationship between mill frequency and

population and relief

• In the field, we looked for sediment deposits behind

former mill sites and other evidence of landscape change


Sample Town – Woodford, 1856 and Chittenden Counties, Vermont

Population:

423

Mills:

20 saw mills

(orange)

4 ocher mills

and 1 oil mill

(pink)

Area:

123.28 sq. km

Mill Frequency:

.2028 mills/sq. km

(highest of towns

sampled)


Results and Chittenden Counties, Vermont

-predominantly saw mills

-mill frequency

Bennington 0.03 /sq km

Caledonia 0.03 /sq km

Chittenden 0.02 /sq km


Results and Chittenden Counties, Vermont

Burlington

Woodford

-slight inverse relationship


Affect On Stream Path and Chittenden Counties, Vermont

Upon Removal Of Dams

1857

Jericho

1996


Conclusions
Conclusions and Chittenden Counties, Vermont

  • Higher mill frequency was found in mountains with higher average slope and less population density.

  • Sediment trapped behind dam was likely transported downstream after the destruction of the dam.

  • Change in Browns River displays the impact humans have on landscape change as far as the construction and destruction of dams


Old Red Mill, Jericho and Chittenden Counties, Vermont

Circa 1895

Yesterday


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