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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: 8/6/96 AT THE ADVANCED RESOURCE TECHNOLOGY LAB, THE UNIVERSITY OF ARIZONA, TUCSON, ARIZONA. NAME OF DATA SET: INTERSTATE DATA TYPE: Vector;Line DESCRIPTION OF CONTENT: This data set consists of all interstate highways in Arizona. FORMAT: Arc/Info DATA SIZE: Data Set 7.5" quad Approximate Megabytes : .14 - HISTORY: Converted in the fall of 1988 from the DLG to ARC format. This data set was created by extracting segments coded as interstate highways from individual blocks of DLG data. The resultant interstate blocks were appended together to create a single data set. An item named CLASS,1,I was added and was calculated for ease of use. MAINTENANCE: Not active at this time. 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: FNODE# Description: Internal number of the from-node Format: 4,5,B Code table: Item name: NODE# Description: Internal number of the to-node Format: 4,5,B Code table: Item name: LPOLY# Description: Left polygon number(cover# in PAT) Format: 4,5,B Code table: Item name: RPOLY# Description: Right polygon number(cover# in PAT) Format: 4,5,B Code table: Item name: LENGTH Description: Length in meters Format: 4,12,B,3 Code table: Item name: TRANS# Description: This is a unique internally assigned identification number. Format: 4,5,B Code table: Item name: TRANS-ID Description: User assigned identification number. Format: 4,5,B Code table: Item name: MAJOR1 Description: (See attached Appendix D) Format: 6,6,I Code table: Item name: MINOR1 Description: (See attached Appendix D) Format: 6,6,I Code table: Item name: MAJOR2 Description: (See attached Appendix D) Format: 6,6,I Code table: Item name: MINOR2 Description: (See attached Appendix D) Format: 6,6,I Code table: Item name: MAJOR3 Description: (See attached Appendix D) Format: 6,6,I Code table: Item name: MINOR3 Description: (See attached Appendix D) Format: 6,6,I Code table: Item name: MAJOR4 Description: (See attached Appendix D) Format: 6,6,I Code table: Item name: MINOR4 Description: (See attached Appendix D) Format: 6,6,I Code table: Item name: MAJOR5 Description: (See attached Appendix D) Format: 6,6,I Code table: Item name: MINOR5 Description: (See attached Appendix D) Format: 6,6,I Code table: Item name: MAJOR6 Description: (See attached Appendix D) Format: 6,6,I Code table: Item name: MINOR6 Description: (See attached Appendix D) Format: 6,6,I Code table: Item name: CLASS Description: Classes 1 - 5 calculated for ease of use. Format: 1,1,I Code table: |
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