43 U.S.C. § 770 : US Code - Section 770: Rectangular mode of survey; departure from

Search 43 U.S.C. § 770 : US Code - Section 770: Rectangular mode of survey; departure from

The Secretary of the Interior may, by regulation, provide that
departures may be made from the system of rectangular surveys
whenever it is not feasible or economical to extend the rectangular
surveys in the regular manner or whenever such departure would
promote the beneficial use of lands.