Klamath National Forest
                     Geographic Information System
                          Theme Documentation

                                       Revision Date: April 1997

Theme:               Roads



Disclaimer:          
*********************************************************************-
****
                     The Klamath National Forest cannot assure the 
                     reliability or suitability of this information 
                     for a particular purpose.  Original data was 
                     compiled from various sources.  Spatial 
                     information may not meet National Map Accuracy 
                     Standards.  This information may be updated 
                     without notification.
                     ***********************************************-
                     *************************

Project Name:        KNF Base Layer

                      IDENTIFICATION INFORMATION

Coverage Extent:     Forest-wide
Source:              USFS Cartographic Feature Files (CFF) plus 
Forest updates
Last Update:         April 1997
Primary Feature Type:Line
Other Feature Types: Route system for jurisdiction
Distribution Limitations:     None
Data Resolution:     1:24000 (1:100000 for Shasta Valley)
Projection:          UTM Zone 10

Comments:            Interstate, State, County, Forest & private 
                     roads derived initially from USFS GSC CFF's and 
                     updated continually on Forest.

                     A route system has been created based on 
                     jurisdiction (State, County, Forest Service, & 
                     Private )                          SOURCE INFORMATION

Source System:       USFS GSC Microstation digitizing software
                     Forest updates:  Arc/Info
Source Scale:        1:24000 (1:100000 for Shasta Valley)
Source Projection:   UTM Zone 10
Capture Method:      Original CFF data:  digitizer
                     Forest updates:  on-screen digitizing using 
                     Digital Ortho Quads

                         CUSTODIAN INFORMATION

Contact Organization:KNF Supervisor's Office
Resource Contact:    Richard Ashe, Forest Road Manager
Phone:916-842-6131  Email:  
Address:              1312 Fairlane Road
                      Yreka, CA  96097


GIS Contact:         Dianne Torpin, KNF Supervisor's Office, GIS 
Staff
Phone:916-842-6131  Email:  
Address:             1312 Fairlane Road
                     Yreka, CA  96097


                        PROCESSING INFORMATION

Theme Generation:    Cartographic Feature Files are not currently 
                     available for 6 quads in the Shasta Valley.  The 
                     linework for this area was obtained from 
                     1:100,000 Digital Line Graph (DLG) files.

Lineage:             

For more detailed information, see the Edit Log for this theme.                         ATTRIBUTE INFORMATION
=====================================================================-
==

System Software:    Arc/Info

Table Name:.PAT
============================================
Item Name:                 data  Item Type:           char Item 
Length:   30

 Item Value                 Description

 eg. 106                    CFF code

Item Name:              road_no  Item Type:           char Item 
Length:   12

 Item Value                 Description

 e.g. 44N45                 Forest Service Road Number
 N                          Non-system Forest Service Road
 P                          Private road

Item Name:              segment  Item Type:        integer Item 
Length:   1

 Item Value                 Description

 eg. 1                      Road segment; used in combination with 
                            road_no to link to TIS database.

Item Name:         jurisdiction  Item Type:           char Item 
Length:   1

 Item Value                 Description

 S                          US or State Highway
 C                          County Road
 F                          Forest Service Road (system or non-system)
 P                          Private Road (includes municipalities 
 other than County)


Table Name:.RATJURIS  (route system based on jurisdiction)
============================================
Item Name:                juris  Item Type:           char Item 
Length:   1

 Item Value                 Description

 S                          U.S. or State Highway
 C                          County Road
 F                          Forest Service
 P                          Private (includes municipalities other 
 than County)