(7.5M) Drainage Polygons - The Atlas of Canada Base Maps for BC
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(7.5M) Drainage Polygons - The Atlas of...other
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This set of base maps was originally prepared in an analogue form for the production of the National Atlas 5th edition. They were used as base maps to overlay the thematic information used in the preparation of Atlas maps. The digital versions were derived from the original base maps in order to complete the 5th edition of the National Atlas. They are the official bases used by the Atlas of Canada for the production of all their maps.
|Organization||Government of Canada|
|Sub-Organization||Canadian Wildlife Service|
Access & Security
|Who can view this dataset?||Public|
|Who can download this dataset?||Government|
|Record Last Modified||2017-11-03|
Object Name: WHSE_BASEMAPPING.DBM_BC_7H_MIL_DRAINAGE_POLY
Short Name: DBMBC7HML2
Comments: This spatial layer details line features that represent lake for only the extent of British Columbia. This is not a multipart feature.
|Column Name||Short Name||Data Type||Data Precision||Comments|
|NAME||NAME||VARCHAR2||40||The Name of river or lake name used in both English and French.|
|ENGLISH_NAME||NGLSHNM||VARCHAR2||40||The English name of lake polygon or river polygon (Pan-Canadian name)|
|FRENCH_NAME||FRNCHNM||VARCHAR2||40||The French name of lake polygon or river polygon (Pan-Canadian name)|
|POLYGON_FEATURE||PLGNFTR||NUMBER||4||The Islands within lakes or closed drainage networks forming a polygon feature. This has code f_code value 9999 .|
|GEOMETRY||GEOMETRY||SDO_GEOMETRY||1||GEOMETRY is the column used to reference the spatial coordinates defining the feature.|
|OBJECTID||OBJECTID||NUMBER||38||OBJECTID is a required attribute of feature classes and object classes in a geodatabase.|
|SE_ANNO_CAD_DATA||BLOB||4000||SE_ANNO_CAD_DATA is a binary column used by spatial tools to store annotation, curve features and CAD data when using the SDO_GEOMETRY storage data type.|
|FEATURE_AREA_SQM||NUMBER||19||FEATURE_AREA_SQM is the system calculated area of a two-dimensional polygon in square meters|
|FEATURE_LENGTH_M||NUMBER||19||FEATURE_LENGTH_M is the system calculated length or perimeter of a geometry in meters|