The Wilbur F. McClure papers are comprised of documents pertaining to the Colorado River Commission and Colorado River Compact. Files include extensive correspondence, reports, and newspaper clippings. The collection is primarily related to the Colorado River, the Colorado River Commission and Compact, and the Boulder Dam (aka Hoover Dam) project.

Correspondents include Herbert Hoover (U.S. Secretary of Commerce), Ralph E. Swing (Congressman from California), C. W. Van Dyke (Chair of Arizona contingent to the Colorado River Commission), Friend W. Richardson (Governor of California), George W. P. Hunt (Governor of Arizona), Clarence Morley (Governor of Colorado), Nellie Tayloe Ross (Governor of Wyoming), George H. Dern (Governor of Utah), Arthur T. Hannett (Governor of New Mexico), J. G. Scrugham (Governor of Nevada), W. S. Norviel (member of Arizona contingent of Colorado River Commission), and others.