What kind of documentation do I need if I want to cross the border into Mexico by land?

Question

wanna go on a short vacation, but have not gotten a passport yet

Answer 1

Driver's license and SS card - or Birth Certificate.

I got a copy of my SS number certified in one day (original copy is mailed)

I got a copy of my Birth Certificate in one day.

Both of these were in Louisiana where it is not easy to get things done with the govt.   So you should easily get what you need.

Apply for a Passport - get it done

Answer 2

Don't drink the water LOL