Irrigation Ditch Vision and Subterranean Water in Utah
The article argues for shallow wide canals over deep narrow ditches to curb evaporation and seepage. It cites Utah Lake levels, Jordan River flow, and a dry inland climate as supporting evidence. It describes subterranean reservoirs and a Park City Ontario mine drainage tunnel delivering 13,000 gallons per minute, illustrating mining water as a potential irrigation source and noting ongoing tunnel projects.