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2004. Instituto Nacional de Estadística, Geografía e Informática (Mexico), Geological Survey (U.S.), and Canada Centre for Remote Sensing. This polygon shapefile shows areas of coastline, and other hydrographic features in North America. This data set was produced using digital files s... Geological Survey (U.S.).
1991. Powell, Susan and Navarro, Fernando. This line dataset represents the locations of irrigation canals in Mongolia in 1991. Irrigation canals are listed as a type of "nature protection m... UC Berkeley Library.
2020. Placer County Geographic Information Systems. This line shapefile contains streams, rivers and canals of Placer County California. This data set was digized from 1:24000 USGS quadrangles rangin... Placer County Geographic Information Systems.
2012. National Atlas of the United States and Environmental Systems Research Institute (Redlands, Calif.). This line shapefile represents the linear water features (for example, aqueducts, canals, intracoastal waterways, and streams) of the United States... Environmental Systems Research Institute (Redlands, Calif.).
2015. Sacramento County GIS. This polygon shapefile depicts boundaries of waterways in the County of Sacramento, California, including canals, channels, creeks, gulches, rivers... Sacramento County GIS.