the move to a new server is put off til Sept 11,12 and 13. all wikis will remain viewable, but any edits you make or files you upload may not be transferred to the new server
waterway sonar mapping

waterway sonar mapping

Just because it''s covered with water doesn't mean you can zoom through the area in your 34-ft Chris Craft. Newly formed waterways will be dangerous places to navigate through.  You can imagine sonar equipped hovercraft boats zipping around and mapping water depths and underwater dangers.