Classroom ResourcesCorps Classroom ConnectionYoung Engineers' ClubUSACE Education Center    Navigation | Lessons | 5 | Crossword Puzzle Levels 1&2
 

Crossword Puzzle Levels 1&2
Hydrographic Surveys
Keeping Our Underwater Highways Safe

                               
    1                          
                          4    
    1                          
        2                      
                               
            2 3                
                               
               3                
5                              
                      6        
                               
            4                  
                               
5                              
                               
                               
                               
                               
                               

    Across
  1. A method of identifying a location by forming a triangle with the unknown point and two known points.
  2. The buildup of sediment deposits on the river or ocean bottom.
  3.            is done to remove dangerous shoals and keep our underwater highways safe.
  4. A term for when a ship strikes the bottom or runs ashore.
  5. Terrestrial map version of the bathymetric map.
    Down
  1. A map that shows the contours of the bottom of a body of water.
  2. Lines on a bathymetric map connecting points of equal depth and representing the bottom surface.
  3. Type of surveying that measure depth and maps the bottom of lakes, rivers, or oceans.
  4. Type of hydrographic surveying equipment that uses sound to measure depth.
  5. Type of navigation that used star positioning.
  6. Soil that is carried into oceans, lakes, streams, and rivers and settles to the bottom.

Crossword Puzzle Answers

Webdate: April 23, 2002
Comments/Whom to contact
 

 

Return