streekgeek: There is a Gemara that references that they changed the way a river flows. It has Halachic Nafka Minas, but nowhere did the Gemara seem to indicate (as I recall) that it was something that shouldn’t have been done.
streekgeek: There is a Gemara that references that they changed the way a river flows. It has Halachic Nafka Minas, but nowhere did the Gemara seem to indicate (as I recall) that it was something that shouldn’t have been done.