Complex sentence: The Pea River gets its name from its pea green color, indeed the Indian (Creek, Muscogee) name for the Pea River is Talakhatchee, which means "Pea Green Stream".
Split into simpler sentences: The Pea River gets its name from its pea green color. Indeed, the Muscogee name for the Pea River is "Talakhatchee", which means "Pea Green Stream".