Here's a map

The data map used to generate it was:

[
['hoodoos', 'desert', 'desert'],
['salt_flats', 'tar_pits', 'salt_flats'],
['mountain', 'desert', 'hoodoos'],
]

You can copy that data and paste it into the custom map generator.

To generate a different size, enter values between 1 and 9 (width x height):
x