The Hearth Mounds of White Sands National Monument (U.S. National Park Service)
Iowa Archeological Society - Iowa Archeological Society
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The Loss of The South Goodwin Lightship LV-90 – JaySea Archaeology
Gee's Slough Mound Group - Wikipedia
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Light Hearted ep 150 – Sandy White, St. Simons, GA; Sarah Jones & William Rawlings, Tybee, GA – U.S. Lighthouse Society News
Jax Stumpes: Lewis & Clark Trip Day 28: Washington and Oregon (6/4/2021)
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