https://maryboro.ca/wp-content/uploads/2026/05/ML025-2-10-HR-Oakman-aerial-postcard-of-Serpent-Mounds-Inn-Rice-Lake-Keene-c-1970-postmark-1971-DIA.jpg

ML025 2 10 HR Oakman aerial postcard of Serpent Mounds Inn, Rice Lake, Keene, c 1970, postmark 1971, DIA