By using simple, relatively affordable technology, such as a
commercial fish finder, along with ArcGIS extensions Spatial
Analyst and 3D Analyst, WPC has captured data previously
unavailable at this scale and level of detail. Integrating track
information, which logs depth and latitude-longitude at a three-
second interval, point shapefiles were exported that can be used
to generate river depth rasters, bathymetric contour lines, and
even three-dimensional flyovers that can be viewed in ArcScene
or as an Audio Video Interleaved (AVI) file. The broad range of
Esri tools allows data to be analyzed by experts, then easily
disseminated to a broader, public audience. The Allegheny
River's headwaters are in Potter County, Pennsylvania. The river
then meanders 609.6 kilometers (381 miles) until it converges
with the Monongahela River in Pittsburgh, Pennsylvania, to form
the Ohio River. The watershed drains 29,876 square kilometers
(11,580 square miles) of mostly rural land in the northern
Allegheny Plateau. The Alleg