('os.name') == 'Windows 7'
('os.version') == '6.1'
('os.arch') == 'amd64'
('java.version') == '1.7.0_25'
('java.vendor') == 'Oracle Corporation'
('sun.arch.data.model') == '64'
Extreme hills seems to be generating incorrectly.
Extreme hills M is almost all gravel.
Savanna M has large amounts of dirt/stone like Extreme hills
(?)Not known if intended.