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The proximity maps were the
fourth and fifth input maps into the erosion model. Erosion at one extreme of the
watershed is not as likely to directly affect water quality as erosion right
on the lake shore. We created
proximity zones around Threemile Pond and Mud pond to account for this. The red line is a 200 ft zone to
indicate shoreline area. The
distance to the furthest most part of the watershed was divided into 8 more
zones each 1,200 ft in width.
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