GIS Data Dictionary
Floodplains
last Updated: May 2002
floodpln was created and is maintained by the Boulder County Land Use
Department.
Copyright 2001
County of Boulder, Colorado. All rights reserved. All data must be
identified and labeled as copyrighted by the County of Boulder, Colorado.
Sale or redistribution of these shapefiles is not permitted without separate
agreements with Boulder County. For information concerning such an
agreement, contact the Land Use GIS Manager at: (303) 441-3930 or kziebarth@co.boulder.co.us.
Disclaimer
All efforts have been made to make these data as accurate as possible,
however, arcs are not accurate to surveying standards. Boulder County will
not assume liability for the data contained in this website. GIS shapefiles,
available for general distribution, are in Boulder County's standard
projection and coordinate system. They include existing attribution, data
dictionaries, descriptions and other supporting documentation.
Conversions,
projections, consultation and support will not be provided. If you find
errors in this shapefile, please contact the Land Use GIS Manager.
Data Format
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Format:
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ArcView Shapefile
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Map Projection:
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Lambert Conformal Secant Cone
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Coordinate System:
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Colorado State Plane, North Zone 3451, grid feet
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Horizontal Datum:
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HPGN-NAD 83/92
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Units:
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feet
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Spatial Representation:
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vector
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Source:
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Adopted floodplain studies
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Source Scale:
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Various
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Status:
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Ongoing updates
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Coding
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Data Type:
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Polygon Shapefile
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Description:
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Municipalities (Incorporated Areas)
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Polygon Attributes:
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Area:
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polygon area in square feet
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Perimeter:
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polygon perimeter in feet
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Floodpl_:
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internal polygon ID
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Floodpl-id:
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internal polygon ID
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Fpnum:
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Floodplain ID number
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internal use only
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Fpname:
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Name of floodplain
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Legend
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floodpln.avl
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unique symbol for each floodplain name
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