Complex sentence: A tow-line was passed from the stern of "Guerrero" to "Tampico" s bow but "Tampico" was in no condition to be salvaged so the tow-line was later cut and "Tampico" finished sinking to the bottom.
Split into simpler sentences: A tow-line was passed from the stern of "Guerrero" to "Tampico" s bow. The "Tampico" was in no condition to be salvaged so the tow-line was later cut and "Tampico" finished sinking to the bottom.