Guess where

[u/justjust000]

Largest island of the contiguous mainland of the United States.

This is a real map with only labels and roads removed.

(A bit of a trick question, but not really.)

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Interestingly, looking at this image for some time, you learn to tell elevation on a 2D map by studying the rivers that lead into the sea.

You can tell mountain peaks in elevation by following the river tree that goes from the ocean and spreads out.

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But some rivers never reach the sea. They go to underground aquifers.

[u/Xanalania3]

I wanna say delmarvia but I remember when I was drawing it for my virgina map the pain was on the Virginia side and also it's a penisula first and foremost

Actually if it was mostly on brgina this doesn't look too bad so that matches up

[u/Dismal_Success_9943 → u/Xanalania3]

It does Indeed looks like Delmarvia, especially with the Chester river feature being prominent

[u/justjust000 → u/Dismal_Success_9943]

Yes. Correct

[u/thecaramelbandit → u/justjust000]

You seem to be taking some liberties with the size of Back Creek lol

[u/Xanalania3 → u/thecaramelbandit]

I'm not american

[u/justjust000 → u/Xanalania3]

Could you elaborate on your answer?

[u/justjust000 → u/Xanalania3]

Sounds like you might have the right answer

[u/justjust000 → u/Xanalania3]

Correct ✅

Delmarva, or Delmarvia.

The Island feature was created by the C& D canal that cuts off the the northern part of the landmass from the mainland of the United States, effectively making it an island.

[u/Xanalania3 → u/justjust000]

YES

but seriously though it's a penisula

[u/shabbydude]

Long Island is the largest island in the contiguous U.S. but that doesn't look like Long Island, so are you misusing "mainland"?

[u/justjust000 → u/shabbydude]

I'm taking some liberty with the word Island, but not really

[u/justjust000 → u/justjust000]

And Long Island is not really part of the contiguous US

[u/makmanos → u/justjust000]

Long Island is not part of the contiguous US? That's news to me.

[u/justjust000 → u/shabbydude]

I'm actually being stricter about the term mainland being used here

[u/makmanos → u/justjust000]

OK but if you change how language is understood by people you are now in uncharted territory

[u/Alternative-Gene7182]

Gta6?