Readme.inputdata
Oct. 25, 1999

The hydrographic data contained in this directory are located within the SWWACES study area. The files are in ArcInfo point data input format.  They are in a variety of datum formats from a variety of sources.  Original data are archived under the 'rawdata' directory under the respective source.  This directory my not contain all input data files. This data is for internal use only.

This information is provided with the understanding that it is not guaranteed
to be correct or complete and conclusions drawn from such information are the
responsibility of the user.

This information is not intended for navigational purposes.

For more information, please contact:
Ann E. Gibbs US Geological Survey Menlo Park, CA 94025
650-329-5060, agibbs@usgs.gov

********************************

dj*    :  Files obtained from Chirs Sherwood, from David Jay, from Nick Kraus, from Mark Byrnes.  Compilation of Columbia River Hydro data.

COE/
pcoe*  :  from Portland COE; newbathy collected off MCE 1998 and 1999
mcr*   :  1935 and 1988/94 COE surveys digitized by and obtained from Mark Byrnes, Applied Coastal Reasearch and Engineering



NOS/CGS hydrographic sounding data 
1800s/
pre50s/
post50s/  
Original data were obtained from NOAA National Geophysical Data 
Center's GEODAS CD ROM of Hydrographic (bathymetry) Survey Data, or digitized by NGDC under contract to the USGS.  
The data columns are:
Record#  longitude  latitude  depth(m)  cartographic_code  survey_id

multibeam/ 
mb1999.ptin Preliminary multibeam xyz data obtained from Roger Flood
of SUNY Stoneybrook.  50 x 50 m thinned.
WA_10m.ptin  Final 10x10; lat/long NAD83; depth NAVD88