Pennsylvania Mapsさんのイラストまとめ
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Posting maps of PA with weird numbers of districts, & occasionally election analysis
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The Fall Line is an ancient geological feature. Lined by a string of waterfalls, it divides the hills of the Piedmont region from the Atlantic coastal plain.
Now, the line is a near-perfect boundary between left-trending & right-trending areas in Metro Philly.
Why? A thread:
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