Olaf Laurgaard Knihy

This report provides a detailed account of the Tumalo irrigation project, which was initiated in the early 20th century to provide water to the arid regions of central Oregon. The report details the planning, design, and construction of the project, as well as the environmental and social impact of the irrigation on the local community. It is an important resource for scholars studying the history of irrigation and water management in the American West.

This report provides a detailed overview of the Columbia Southern Irrigation Project, a major water management project in central Oregon. Drawing on extensive research and analysis, author Olaf Laurgaard provides valuable insights into the technical and economic aspects of the project, as well as its broader impact on the region's social and environmental landscape.