Hubbard Brook LTER Site Digital Data


DATA LAYER SUMMARY

Coverage:  faults
Data Layer:  Fault zones/mafic intrusions
Feature Type:  lines


DATA SOURCE

Map Date:  August 28, 1995
Map Scale:  1;12000
Media:  Digital

Description:  This coverage was obtained in digital form from Christ Barton of 
the USGS.  Bedrock geology in the Hubbard Brook Valley was mapped by C.C. 
Barton, R.H. Comerlo, and S.W. Bailey, August 1994 to August 1995.  The Map is 
entitled "BEDROCK GEOLOGIC MAP OF HUBBARD BROOK EXPERIMENTAL FOREST AND MAPS OF 
FRACTURES AND GEOLOGY IN ROADCUTS ALONG INTERSTATE 93, GRAFTON COUNTY, NEW 
HAMPSHIRE" and was approved for publication on August 28, 1995.

DATA FORMAT

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


ACCURACY

Feature Accuracy:  Unknown  


DATA DEVELOPMENT

Date Created:  August 28, 1995
Original Projection:  UTM Zone 19
Last updated:  August 28, 1995

NOTES

The name of this coverage was changed from mafic_intr5 to faults


DETAILED DESCRIPTION

                                FEATURE CLASSES



                                    Number of  Attribute     Spatial

Feature Class          Subclass     Features   data (bytes)  Index?   Topology?

-------------          --------     ---------  ------------  -------  ---------

ARCS                                       27        48

NODES                                      51

ANNOTATIONS             (blank)             9



                               SECONDARY FEATURES



Tics                                       45

Arc Segments                               31



                                   TOLERANCES



Fuzzy   =                 0.863 N          Dangle  =                 0.000 N



                               COVERAGE BOUNDARY



Xmin =               275719.594            Xmax =               284349.062

Ymin =              4867230.500            Ymax =              4870744.000



                                     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


ITEMS FAULTS


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  faults#                4     5     B      -                        -

   25  faults-ID              4     5     B      -                        -

   29  LTYPE                 20    20     C      -                        -



Record  ltype

     1  Mafic Intrusives

     2  Mafic Intrusives

     3  Mafic Intrusives

     4  Mafic Intrusives

     5  Mafic Intrusives

     6  Mafic Intrusives

     7  fault zone

     8  Mafic Intrusives

     9  Mafic Intrusives

    10  Mafic Intrusives

    11  fault zone

etc...