Last revision: November 19, 2022. Table of Contents: Rice Lake – Location and Background History Hiawatha First Nation David Boyle  on the “Serpent Mound” Site  Is It Even A Serpent? Henry Montgomery’s Excavation – 1909 The Serpent Mound in Adams … Continue reading The Rice Lake “Serpent Mound” – Chronology, Sources, And Cases Of Mistaken Identity