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Service Description: Dataset represents centerlines of major water project canals that are managed by local area government agencies or entities. This dataset does not contain major State or Federal canals. The original data were from many sources including NHD,USBR,DWR, and contained errors in the attributes and locations. These errors were rectified by Jeff Galef of DWR Delta Levees Special Investigations Branch, using 2005 and 2006 NAIP imagery and Central Valley Aerials Express. These updates were as of 2009. Conflicts between this original data source and any new linework added was resolved using NAIP imagery from 2012. Digitizing was done at approximately 1:9000 scale. Many unnamed canals were identified using USGS topo maps and ESRI Street Map. Additional canal features were added in November 2017 which were inadvertently not included in the initial dataset.
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Description: Dataset represents centerlines of major water project canals that are managed by local area government agencies or entities. This dataset does not contain major State or Federal canals. The original data were from many sources including NHD,USBR,DWR,and contained errors in the attributes and locations. These errors were rectified by Jeff Galef of DWR Delta Levees Special Investigations Branch, using 2005 and 2006 NAIP imagery and Central Valley Aerials Express. These updates were as of 2009. Conflicts between this original data source and any new linework added was resolved using NAIP imagery from 2012. Digitizing was done at approximately 1:9000 scale. Many unnamed canals were identified using USGS topo maps and ESRI Street Map. Additional canal features were added in November 2017 which were inadvertently not included in the initial dataset.
Copyright Text: California Department of Water Resources. Contact: gis@water.ca.gov
Spatial Reference:
102100
(3857)
Initial Extent:
XMin: -1.359579557283196E7
YMin: 3718758.4929894116
XMax: -1.2745594291468041E7
YMax: 5076787.129310587
Spatial Reference: 102100
(3857)
Full Extent:
XMin: -1.36333935408E7
YMin: 3843350.2578999996
XMax: -1.27079963235E7
YMax: 4952195.364399999
Spatial Reference: 102100
(3857)
Units: esriMeters
Document Info:
Title: i12_Canals and Aqueducts_local
Author:
Comments: Dataset represents centerlines of major water project canals that are managed by local area government agencies or entities. This dataset does not contain major State or Federal canals. The original data were from many sources including NHD,USBR,DWR,and contained errors in the attributes and locations. These errors were rectified by Jeff Galef of DWR Delta Levees Special Investigations Branch, using 2005 and 2006 NAIP imagery and Central Valley Aerials Express. These updates were as of 2009. Conflicts between this original data source and any new linework added was resolved using NAIP imagery from 2012. Digitizing was done at approximately 1:9000 scale. Many unnamed canals were identified using USGS topo maps and ESRI Street Map. Additional canal features were added in November 2017 which were inadvertently not included in the initial dataset.
Subject: General inventory and mapping of secondary canal features within the water delivery system throughout the state of California.
Category:
Keywords: local canals,waterways,California,canals,canals,California,water,biota,aqueducts,conveyance,inland waters,inland waters,conveyance,water,canals,inland waters,water courses,CAOpenData,California Department of Water Resources,California Natural Resources Agency
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