Files in this directory adhere to the following naming convention:

Files ending with extension .dxf were created with the arcdxf
command in Arc/Info, are in data exchange format
and are importable to AutoCad.

Files ending with extension .e00 were created with the export
command in Arc/Info and are importable to Arcview. 

This directory contains the following files:
*******----------------------------------------********* 
cont_5.dxf and cont_5.e00: 5 foot contours.

cont_txt.dxf and cont_txt.e00: contour annotations.

tawak_lk.dxf and tawak_lk.e00: lake boundary at conservation
The boundary was digitized from USGS 7.5min topo sheets.
pool elevation (437.5' NGVD'29).  

tawa.gen: x,y,z data points collected during the TWDB Volumetric Survey.
Data are in Arc/Info generate format (i.e., a leading "1" followed by, the
easting coordinate(ft), northing coordinate(ft), elevation(ft).

elev_area_vol: elevation-area-volume data in columnar,ascii text
format obtained during the April 1997 TWDB Volumetric Survey.

area_table: ascii text in tabular format (area in acres).
volume_table: ascii text in tabular format (volume in acre-feet).

*******----------------------------------------********* 
All elevation are based on USGS Gage Datum. Projection info obtained from
tawak_lk coverage using the DESCRIBE command is as follows:

Projection           STATEPLANE
Zone                       5351 (North Central Zone)
Datum                     NAD83
Units                      FEET             Spheroid                GRS1980




rburns 04/06/2000