This Folder:  info\
This File:    read_4th.txt


Report Title:     Aeromagnetic Surveying in Wisconsin 1998-99:
                     Digital Data Files
Report Authors:   Robert E. Bracken and Suzanne W. Nicholson
Report Document:  U.S. Geological Survey Open-File Report 99-527



Description of This Folder and Its Content:


This folder contains important formatting information describing
the line-data files (ASCII-data files).  It is designated by the
following path:

\data\line\info\


In this folder, you will find the following files:

format.    A format-information file giving details of the ASCII
           formatting found in the line-data files.

hs_sum.txt A summary-information file supplied by the contractor,
           which includes a list of the line-data files, a basic
           channel description of the line-data files, and
           geographic projection information.

ln_01.txt  Summary information files, supplied by the contractor,
ln_02.txt  giving lists of the flightlines in the correspondingly
ln_03.txt  named line-data files, and giving each flight line's
ln_04.txt  geographic and temporal boundaries.  ln_21.txt
ln_05.txt  contains this information for block-b (north of
ln_06.txt  block-c).  ln_31.txt contains this information for
ln_07.txt  block-c (the Milwaukee area).
ln_08.txt
ln_09.txt
ln_10.txt
ln_11.txt
ln_12.txt
ln_21.txt
ln_31.txt

read_4th.  (This file.)  Contains information describing this
           folder and its contents.