water witch dowsing stick http://water.usgs.gov/edu/dowsing.html http://water.usgs.gov/edu/dowsing.html http://water.usgs.gov/edu/dowsing.html dowser http://water.usgs.gov/edu/dowsing.html water dowsing http://water.usgs.gov/edu/dowsing.html http://water.usgs.gov/edu/dowsing.html reports by USGS about the use dowsing rods http://water.usgs.gov/edu/dowsing.html U.S. Geographical Survey Website U.S. Geological Survey remains skeptical http://water.usgs.gov/edu/dowsing.html http://water.usgs.gov/edu/dowsing.html water witching