Table 1.

Relations between amount of sidewalk damage and tree size, soil texture, and planting strip width for 118 sweetgum trees.1

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  • 1 × = tree that displaced sidewalk 1 inch or more; ⚬ and • = trees that displaced sidewalk less than 1 inch; • = possible source of less damaging cultivar. Trees to left and right of dotted lines were predicted by discriminant analysis to move sidewalks less than 1 inch and 1 inch or more, respectively.