The cost of constructing, acquiring, purchasing, or maintaining the canals, ditches, reservoirs, reservoir sites, water, water right, rights-of-way, or other property incurred in connection with any irrigation project under said irrigation district laws shall be equitably apportioned among lands held under private ownership, lands legally covered by unpatented entries, and unentered public lands included in said irrigation district. Officially certified lists of the amounts of charges assessed against the smallest legal subdivision of said lands shall be furnished to the officer designated by the Secretary of the Interior of the land district within which the lands affected are located as soon as such charges are assessed; but nothing in this chapter shall be construed as creating any obligation against the United States to pay any of said charges, assessments, or debts incurred.
All charges legally assessed shall be a lien upon unentered lands and upon lands covered by unpatented entries included in said irrigation district.
(Aug. 11, 1916, ch. 319, §2,
Act Mar. 3, 1925, abolished office of surveyor general and transferred administration of all activities in charge of surveyors general to Field Surveying Service under jurisdiction of United States Supervisor of Surveys.
For transfer of functions of other officers, employees, and agencies of Department of the Interior, with certain exceptions, to Secretary of the Interior, with power to delegate, see Reorg. Plan No. 3 of 1950, §§1, 2, eff. May 24, 1950, 15 F.R. 3174,
"Officer designated by the Secretary of the Interior" substituted for "register" on authority of section 403 of Reorg. Plan No. 3 of 1946, which abolished all registers of district land offices and transferred functions of register of district land offices to Secretary of the Interior. See section 403 of Reorg. Plan No. 3 of 1946, set out as a note under section 1 of this title.