Wikipedia contributors. (2024, September 27). Glacial erratic boulders of Snohomish County, Washington. In Wikipedia, The Free Encyclopedia. Retrieved 20:26, December 2, 2025, from https://en.wikipedia.org/w/index.php?title=Glacial_erratic_boulders_of_Snohomish_County,_Washington&oldid=1248077707
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Glacial erratic boulders of Snohomish County, Washington (Wikipedia) Glacial erratic boulders of Snohomish County are large glacial erratic boulders of rock which were moved to Snohomish County, Washington by glacial action during previous ice ages.