CLASSIFICATION OF PUBLIC LANDS OPEN TO DISPOSITION
> Classification is an executive function
> Lands of the public domain which are alienable or open to disposition may be further classified as agricultural, residential, commercial, or industrial, or for similar productive purposes, educational, charitable, or other similar purpose, and reservations for townsites and for public and quasi-public uses
MODES OF DISPOSITION
1. For homestead settlement
2. By sale
3. By lease
4. By confirmation of imperfect or incomplete title
a. By judicial legalization
b. By administrative legalization or free patent