Eleventh Annual report of the Director of the United States Geological Survey, Part 2- Irrigation: 1889-1890

The work of the United States Irrigation Survey during the second year has been carried oil under the appropriation of $250,000 made March 2, 1889, by the force organized and equipped during the previous year. This is pursuant to the purposes outlined in the first annual report, which explains the origin, purpose, and plan of the Survey, publishes the instructions to the chiefs of the larger divisions, and gives the report of the topographic division to the end of the first fiscal year, and the reports of the hydrographic and engineering divisions during the greater part of the calendar year 1889.