FYI- the PDF file in the last article Jim posted is layered!
To view and toggle layers on & off you need to save the PDF and open with Acrobat Reader:
Choose View > Show/Hide > Navigation Panes > Layers
Now you all have been schooled on how to remove those pesky school icons from the map!
BCD536HP, BCD436HP, HP-1, BCD996XT, BCD396T (RIP - loose screw shorted something and melted from the inside out), BC780XLT, PSR800, PSR500, PRO197, PRO96, PRO23