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THE FOLLOWING IS THE ORIGINAL DATA DOCUMENTATION FROM ARIZONA LAND INFORMATION
SYSTEM (ALRIS), PHOENIX ARIZONA, CONTACT NAME: RON HUETTNER
ALRIS DATA DOCUMENTATION SEPTEMBER 1995
EDITED: 9/13/96 AT THE ADVANCED RESOURCE TECHNOLOGY LAB, THE UNIVERSITY
OF ARIZONA, TUCSON, ARIZONA.
NAME OF DATA SET: COUNTIES
DATA TYPE: Vector; Polygon
DESCRIPTION OF CONTENT:
This polygonal data set consists of individual county and an appended
statewide coverage.
FORMAT:
Arc/Info
DATA SIZE: Data Set 7.5" quad
Approximate Megabytes : 3.3 .002
HISTORY:
This dataset was created by extracting county boundary segments from
the LAND data. See LAND documentation.
MAINTENANCE:
NONE
PROJECTION:
UTM (Zone 12 with -3.2 million meter Y shift(northing))
NOTE: The data set distributed by the U of A has had the y-shift removed
ITEMS:
Item name: AREA
Description: The value of each polygon in square meters
Format: 4,12,F,3
Code table:
Item name: PERIMETER
Description: Perimeter of the polygon arcs in meters
Format: 4,12,F,3
Code table:
Item name: {county_name}# or ALL#
Description: This is a unique internally assigned identification number
for each polygon
Format: 4,5,B
Code table:
Item name: {county_name}-ID or ALL-ID
Description: User assigned identification number for each polygon
Format: 4,5,B
Code table:
Item name: CODE
Description: Each county is assigned a unique number
Format: 2,2,I
Code table:
Item name: NAME
Description: Name of county
Format: 10,10,C
Code table:
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