Hubbard Brook LTER Site Digital Data


DATA LAYER SUMMARY

Coverage:  route93
Data Layer:  Route 93 highway
Feature Type:  line


DATA SOURCE

Map Date:  1980
Map Scale:  1;24,000
Media:  Mylar Diazo Copy

Description:  USGS 7.5' Topographic Quadrangles; Woodstock, NH - 1980.  Route 93 location manually digitized. 


DATA FORMAT

Software:  Arc Version 7.0.4 (ESRI, Inc.)
Projection:  UTM Zone 19


ACCURACY

Feature Accuracy:  The lines were digitized on a Calcomp 9500 series plotter set at 1000 ppi and registered with an RMS <= .003.  


DATA DEVELOPMENT

Date Created:  June 7, 1994
Original Projection:  NH State Plane
Last update:  June 8, 1994


NOTE

ROUTE# used to store highway route number (3), NAME used to store name (U.S. Rt. 3).


DETAILED DESCRIPTIONS

                                FEATURE CLASSES

                                    Number of  Attribute     Spatial
Feature Class          Subclass     Features   data (bytes)  Index?   Topology?
-------------          --------     ---------  ------------  -------  ---------
ARCS                                       41        52
NODES                                     171

                               SECONDARY FEATURES

Tics                                        4
Arc Segments                             1167

                                   TOLERANCES

Fuzzy   =                 1.395 N          Dangle  =                 0.000 N

                               COVERAGE BOUNDARY

Xmin =               283777.156            Xmax =               286041.062
Ymin =              4861217.500            Ymax =              4875164.000
Continue? 

                                     STATUS

The coverage has not been Edited since the last BUILD or CLEAN.

                          COORDINATE SYSTEM DESCRIPTION

Projection                  UTM
Zone                         19
Datum                     NAD27
Units                    METERS             Spheroid             CLARKE1866
Parameters:

ITEMS ROUTE93.AAT

COLUMN   ITEM NAME        WIDTH OUTPUT  TYPE N.DEC  ALTERNATE NAME     INDEXED?
    1  FNODE#                 4     5     B      -                        -
    5  TNODE#                 4     5     B      -                        -
    9  LPOLY#                 4     5     B      -                        -
   13  RPOLY#                 4     5     B      -                        -
   17  LENGTH                 4    12     F      3                        -
   21  ROUTE93#               4     5     B      -                        -
   25  ROUTE93-ID             4     5     B      -                        -
   29  NAME                  20    20     C      -                        -
   49  ROUTE#                 3     3     I      -                        -

Record  name                 route#
     1  U.S. Rt. 3             3
     2  U.S. Rt. 3             3
     3  Interstate Rt. 93     93
     4  Interstate Rt. 93     93
etc...