172 overlapping image frames were mosaicked to create the final composite. The submarine image was generated from a NOAA bathymetry data base containing thousands of depth measurements compiled from numerous surveys of the region. The land image and perspective-rendered submarine image were then merged using digital image processing techniques. Contact the Birch Aquarium at Scripps about purchasing this poster. Reduced size from original.
Contour interval is five meters.
Here's a look at North Branch in the same Dill map without size-reduction from the original. Contour interval is five meters. Here's a look at Sumner Branch in the same Dill map without size-reduction from the original. You can see a less well defined South Branch pointing down in the middle. Contour interval is five meters.