Land district
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
A division of a state or territory, created by federal authority, in which is located a United States land office, with a "register of the land office" and a "receiver of public money," for the disposition of the public lands within the district.
See U. S. v. Smith (C. C.) 11 Fed. 491.