Which of the following is a general rule followed by the Bureau of Land Management regarding the location of all public lands?
I. Boundaries of the public lands, when approved and accepted, are unchangeable.
II. Original township, section, and quarter-section corners stand as the true corners which they were intended to represent whether in the place shown by the field notes or not.
III. Center lines of a section are to be straight, running from the quarter section corner on one boundary to the corresponding corner on the opposite boundary.