 These fragments of jasper conglomerate are glacial erratics that continental ice sheets from Northern Ontario eroded and then spread throughout Michigan, including in Drummond Island, and as far south as Ohio and Kentucky during repeated glacial advances and retreats.Robert Tomlinson (missionary)

Robert Tomlinson (1842–1913) was an Irish Anglican medical missionary, known for his work with the indigenous peoples of British Columbia.Robert Tomlinson was born in 1842 in Ireland.