Files
OpenFrontIO/resources
RickD004 27517e3698 Adds Mississippi River map - vertical pipe map (#4176)
Resolves #4153 

## Description:

Add Mississippi river, inspired by Amazon, but vertical. Pipe-type map
along Amazon and Passage. 11 nations, with 51 additional nations for a
total of 62 for Humans vs Nations gamemode.


https://github.com/user-attachments/assets/6596a7bf-b529-442a-99b1-815493ee0e96


https://github.com/user-attachments/assets/5bb4959b-8ef3-428a-8e3a-94c424fa092b


https://github.com/user-attachments/assets/e4d4622e-ea42-4edf-9d86-d9d00c0fdde4

## Please complete the following:

- [x] I have added screenshots for all UI updates
- [x] I process any text displayed to the user through translateText()
and I've added it to the en.json file
- [x] I have added relevant tests to the test directory

## Please put your Discord username so you can be contacted if a bug or
regression is found:

tri.star1011
2026-06-06 19:26:34 -07:00
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