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Shade Trees:
I recommend planting a shade tree in every fifth parking space
to cool the temperature inside of cars parked under the canopy.
That provides a maximum spacing of 40′x 50′. The alternative is
planting of trees within the median between the ranks of cars. That
provides a maximum spacing of 40′x 70′. Examine the plan and sections
for the spacing recommended and the alternate.
Willow oak is, as you know, the shade tree I prefer. Pin oaks
are not my choice because of the low habit of branching, though
that species is an excellent tree to screen along the periphery.
American elm is the ideal shape and density if you can justify the
choice in the face of Dutch Elm Disease.
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