 Despite this effort it wouldn't be until 1911 that Pine Grove would get its first irrigation system.In a few years after the construction of the irrigation system, the Elmore to Cohuna railway was completed in 1915 to help facilitate economic growth in Pine Grove.With the train station being named Bamawm and the post office having the name Pannoobamawm, rail authorities requested a list of names to be submitted to them to help create an official name for the township.