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US City Letter Grid – Choose Letter
DirectionsFirst choose a letter other than ‘X’. Then, enter the largest city beginning with that letter in each 5 degree by 5 degree grid square. Green squares contain answers.
hugequiz Premium members will see the top 25 missed cities at the end of the quiz as purple markers.
Quiz Takers 
can we get a letter grid challenge?
for choosing a letter i’ll just have to make separate quizzes with more cities per square.