Letter dated June 27, 1939, from the Las Vegas Chamber of Commerce supporting a petition date June 21, 1939, by property owners and taxpayers living in the Moapa Valley area of Clark County, Nevada. The petition requested that the area be placed under the control of the Division of Grazing. Such a designation would restrict the removal of timber from watershed areas and help prevent the effects of erosion due to flooding. According to the Bureau of Land Management, Grazing District No. 5 is Las Vegas, established November 3, 1936.

Minutes of meeting of agencies involved in the work to improve the Lower Moapa Valley flood channel.

List of properties damaged in a flood in October of 1946 in the Moapa valley with details of damage to each property.

Letter written by the Nevada state engineer to the mayor of Las Vegas regarding the water use from the Las Vegas Aquifer, which was roughly equal to the recharge rate. The state engineer recommended that a group of property owners form a group, perhaps called the "Las Vegas Valley Water Improvement District" to pursue the acquisition of additional water from Lake Mead and thus allowing for future development and growth of the City of Las Vegas and surrounding areas. Earl, Ira J. (Ira Joseph) is son of Joseph Ira Earl.

The purchase contract for the Las Vegas Land and Water Company allows for the contract to be annulled if its bonds are not sold by December 31, 1953. This contract rescinds that deadline, allowing as much time as needed for the sale of the bonds. Agreement that all parties will ignore the provision that any party can terminate the agreement if the bonds do not sell by May 1, 1954.

Discussion of the Civilian Conservation Corp work on flood control projects in the Virgin River and Moapa Valleys. Project Number: State Office No. 172, Clark County No. 12. Name of Project: Flood Control Program.