In 1989, I purchased a popular U.S. Army Corps of Engineers
hydraulic package from a software reseller in San Diego.
The package came with a supplement, which consisted of ten programs to solve various hydraulic problems.
I took the software to Santa Cruz de la Sierra, in Bolivia, and installed it in an IBM PC 286,
which was the standard in
those days.
At the time, I was working on a sediment routing model for the Pirai river basin.
Great was my surprise to find one of the supplement programs all too familiar. It was a program to calculate
the Modified Einstein Procedure now available online. The form of its output left me no doubt that it was my own software,
which I had originally developed at Colorado State University in the middle 1970s.
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