Just like others don't. For example, University of Louisville doesn't highlight the plant about two blocks north of Papa John's Stadium and directly across the street from their soccer field and practice fields.
It is what it is and anyone can look it up on Google Maps. I don't have access to aerial shots other than Google Maps and other services.
Just as an added note, right across the freeway about one mile south is the site of Spindletop Field, listed on the National Register of Historic Places and listed as a National Historic Landmark.
http://en.m.wikipedia.org/wiki/Spindletop
I also didn't highlight the Unesco International Bioreserve site (Big Thicket National Preserve) a few miles north either.
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