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.
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Brazil, Inspectoria Federal de Obras contra as Seccas. organizado pelo enjenheiro Roberto Miller ... sob a direção do chefe topógrafo Guilherme Lane. Legend. Relief shown by shading and spot heights. Co... Ministério da Viação e Obras Públicas, Inspectoria de Obras contra as Seccas.
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.
2015. Sacramento County GIS. This polygon shapefile depicts boundaries of bodies of water in the County of Sacramento, California, including canals, dams, the Delta, ponds, res... Sacramento County GIS.
2007. This line shapefile represents canals in Stanislaus County, California. This layer is presented in the WGS84 coordinate system for web display purp... Stanislaus County GIS Division.
2014. Stanislaus County (Calif.). This polyline dataset represents existing canals in Stanislaus County, California for 2014.
2004. Santa Clara Valley Water District (Calif.). This polyline dataset identifies all existing creeks and canals within Santa Clara County, California for 2004. Layer created by Santa Clara Valley...
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.
19. The Panama Canal
Engraved and printed by the U.S. Geological Survey. Coordinates approximate (Greenwich meridian) Relief shown by hachures Includes inset location m... U.S. Geological Survey.
Goddard, George H. (George Henry), 1817-1906. by George Goddard C.E. Relief shown by hachures. Coordinates approximate and based on Greenwich meridian. Compass rose. Oriented with north toward ... Lith. of Britton & Rey,.
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