Hubbard Brook LTER Site Digital Data


DATA LAYER SUMMARY

Coverage:  outcrops
Data Layer:  rock outcrops
Feature Type:  points


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 outcrop7 to outcrops.


DETAILED DESCRIPTION

                                FEATURE CLASSES



                                    Number of  Attribute     Spatial

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

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

POINTS                                    838        34



                               SECONDARY FEATURES



Tics                                       45



                                   TOLERANCES



Fuzzy   =                 0.996 N          Dangle  =                 0.000 N



                               COVERAGE BOUNDARY



Xmin =               275083.406            Xmax =               284242.000

Ymin =              4865937.000            Ymax =              4870790.000



                                     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

Parameters:


ITEMS OUTCROPS


COLUMN   ITEM NAME        WIDTH OUTPUT  TYPE N.DEC  ALTERNATE NAME     INDEXED?

    1  AREA                   4    12     F      3                        -

    5  PERIMETER              4    12     F      3                        -

    9  outcrops#              4     5     B      -                        -

   13  outcrops-ID            4     5     B      -                        -

   17  ROCKTYPE               5     5     C      -                        -

   22  SYMB                   3     3     I      -                        -

   25  PTYPE                 10    10     C      -                        -



Record  rocktype symb ptype

     1  ur         8  outcrop

     2  ur         8  outcrop

     3  ur         8  outcrop

etc...

   673  lr         9  well

   674  lr         9  well

   675  cg         6  well

   676  cg         6  well

etc...