apps.pittsburghpa.govapps.pittsburghpa.gov/dpw/08_tree_planting_detail1.pdf · If the top main...
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apps.pittsburghpa.govapps.pittsburghpa.gov/dpw/08_tree_planting_detail1.pdf · If the top main order root is deeper than 1-2' in the root ball, remove some soil prior to establishing
