Nice map! Easy to learn, with enough options to remain interesting. Great theme as well. I found some issues.
This is really nice, but maybe you could have some boats here or something to make it look like the Ts arrived by them.
This wall texture is really old. I think it is a HL2 floorboard texture. For those who recognise the asset - it was also used in CSS and DOD, it looks strange.
Shadow issue.
Tree on the right pops in and out of view.