Northern
California Zip Code Metadata
GEODATASET NAME: NCA_ZIPA83
IDENTIFICATION INFORMATION
Description:
Northern California Pilot Study Area ZIP Codes.
Abstract:
Derived from the ESRI California and Oregon ZIP Codes datasets.
Data Type:
Coverage, polygon
Data Originator:
Environmental Systems Research Institute Inc. (ESRI)
380 New York Street
Redlands CA, 92373-8100
(909) 793-2853
www.esri.com
Data Processor:
Ed Evanson
Lockheed Martin Environmental Services
1050 E. Flamingo Road, Suite E120
Las Vegas, NV 89119
(702)897-3208
eevanson@lmepo.com
Data Provider:
Dan Heggem
U.S. Environmental Protection Agency NERL
P.O. Box 93478
Las Vegas, NV 89193-3478
(702)798-2278
heggem.daniel@epa.gov
Keywords:
Northern California, Pilot Study Area, ZIP Codes
Version:
N/A
Status:
Interim
Revision Number:
0
Series Name:
Online Link (URL):
Time Period of Content:
Use Constraints:
None. Acknowledgment of the originating agencies would be appreciated in
products derived from these data.
Purpose:
Northern California data browser
Date of metadata entry/update:
09/06/2001
No Publication Information Available
No File Security Information Available
DATA QUALITY INFORMATION
Cloud Cover:
Not applicable
Software:
Arc/Info 7.2
Operating System:
Unix
Path Name:
/gis/wemap/nca/zip
Logical Consistency Report:
Not presently available
Completeness Report:
Not presently available
Horizontal Positional Accuracy:
Not presently available
Vertical Positional Accuracy:
Not presently available
Attribute Accuracy:
Not presently available
Procedures:
Using Arcview, ESRI ZIP Codes for the state of California and Oregon
were merged and clipped to
the Northern California boundary. The resulting
Arcview Shapefile was
converted to an Arc/Info coverage and projected to
region 9 Albers
projection.
Reviews Applied to Data
Lockheed Martin Environmental Services internal review
Related Spatial Data Files:
All geodatasets with nca_ prefix.
Other References Cited:
Notes:
Update Frequency:
As needed
SPATIAL REFERENCE INFORMATION
Description of DOUBLE precision coverage nca_zipa83
FEATURE CLASSES
Number of Attribute Spatial
Feature Class Subclass Features data (bytes) Index? Topology?
------------- -------- --------- ------------ ------- ---------
ARCS 577
POLYGONS 201 80 Yes
NODES 386
SECONDARY FEATURES
Tics 4
Arc Segments 11471
Polygon Labels 200
TOLERANCES
Fuzzy = 51.383 V Dangle = 0.000 N
COVERAGE BOUNDARY
Xmin = -649241.439 Xmax = -314106.531
Ymin = 4044266.250 Ymax = 4544241.500
STATUS
The coverage has not been Edited since the last BUILD or CLEAN.
COORDINATE SYSTEM DESCRIPTION
Projection ALBERS
Datum NAD83
Units METERS Spheroid GRS1980
Parameters:
1st standard parallel 33 15 0.000
2nd standard parallel 40 15 0.000
central meridian -116 45 0.00
latitude of projection's origin 0 0 0.000
false easting (meters) 0.00000
false northing (meters) 0.00000
ENTITY AND ATTRIBUTE INFORMATION
Annotation Name:
ATTRIBUTE LISTING FOR: nca_zipa83.pat
COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME INDEXED?
1 AREA 8 18 F 5 -
9 PERIMETER 8 18 F 5 -
17 NCA_ZIPA83# 4 5 B - -
21 NCA_ZIPA83-ID 4 5 B - -
25 ZIP 5 5 C - -
30 PO_NAME 32 32 C - -
62 STATE 2 2 C - -
64 SUMBLKPOP 8 11 F 0 -
72 POP1999 8 9 F 0 -
METADATA REFERENCE SECTION
FGDC Content Standards for Digital Geospatial Metadata
FGDC Standards Version 6/98 / metadata.aml ver. 1.3 5/21/99
SUPPLEMENTAL METADATA (where available)
ZIP Code Areas: The U.S. ZIP Code data set contains five-digit ZIP Code areas.
The 1999 ZIP Code areas are from Geographic Data Technology, Inc., based on 1998
data derived from U.S. Postal Service data and other sources.
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