Home › CFR › Title 25 › Part 13825 CFR Part 138 — Reimbursement of Construction Costs, Ahtanum Unit, Wapato Indian Irrigation Project, Washington§ 138.1— Construction costs and assessable acreage.§ 138.2— Repayment of construction costs.§ 138.3— Payments.§ 138.4— Deferment of assessments on lands remaining in Indian ownership.§ 138.5— Assessments after the Indian title has been extinguished.