---
kind: "section"
citation: "43 U.S.C. § 645"
title: "43"
title_heading: "Public Lands"
number: "645"
heading: "Additional arid lands available to Colorado, Idaho, Nevada, and Wyoming for reclamation"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/43/645"
units:
  - "Chapter 14 — Grants of Desert Lands to States for Reclamation"
---

# §645. Additional arid lands available to Colorado, Idaho, Nevada, and Wyoming for reclamation


An additional one million acres of arid lands within each of the [States](/usc/43/31b.md?p=8) of Colorado, Idaho, Nevada, and Wyoming is made available and subject to the terms of [section 641 of this title](/usc/43/641.md), and the [States](/usc/43/31b.md?p=8) of Colorado, Nevada, Idaho, and Wyoming are allowed under the provisions of said section said additional area or so much thereof as may be necessary for the purposes and under the provisions of said section.


## Source credit

(May 27, 1908, ch. 200, 35 Stat. 347; Mar. 4, 1911, ch. 285, 36 Stat. 1417; Aug. 21, 1911, No. 7, 37 Stat. 38.)