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Read David's Obituary
David Leo Thelen was born on September 23, 1950 in Great Falls, MT and passed away on February 17, 2026 after a short battle with brain cancer. He is survived by his daughter and son-in-law, Kara and Andrew Nisbet, as well as his sisters, Kathy (Royce) Shipley, Beth Ann Thelen and Peggy Thelen all...
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