J is correct. There is a very common land status here called "informacion Possesoria" Land that was granted to individuals by the government with the expectation that they title it within a given window of time. If the land owner did not title it then the land is status "informacion Possesoria" The land can be titled but it is a long, VERY COMPLEX process,, IF EVERYTHING WORKS PERFECTLY.
If one component of the process does not work out (owner of a nieghboring property is dead or can not be located) THIS PROCESS CAN TAKE 10's OF YEARS WITH NO GUARANTEE THAT TITLE WILL BE GRANTED.
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