Shoshone Federal irrigation project in Wyoming, 1931. Communication from the President of the United States transmitting supplemental estimate of appropriation for the Department of the Interior amounting to $100,000, for the installation of a third unit in the Shoshone power plant, Shoshone Federal irrigation project in Wyoming, fiscal year 1931, and a proposed amendment of an estimate for the Geological Survey contained in the budget for the fiscal year 1931.