Complex sentence: By December 17,1912, the river had deepened sufficiently, and, following a one day delay caused by a mechanical failure, the company was able to put Grahamona on the full Portland-Corvallis run.
Split into simpler sentences: By December 17,1912, the river had deepened sufficiently. Following a one day delay caused by a mechanical failure, the company was able to put "Grahamona" on the full Portland-Corvallis run.