Public Notice AT&T Mobility, LLC is proposing to modify the existing telecommunications facility on the 130-foot-tall (137-foot overall height) transmission tower located at 3205 Sheridan Trail, Bellingham Whatcom County, WA 98229 (N48° 44' 58.1" and W122° 20' 8.2"). AT&T Mobility, LLC invites comments from any interested party on the impact the proposed undertaking may have on any districts, sites, buildings, structures, or objects significant in American history, archaeology, engineering, or culture that are listed or determined eligible for listing in the National Register of Historic Places under National Historic Preservation Act Section 106. Parties interested in commenting on this Federal undertaking or with questions on the proposed facility should contact Eocene at 5930 Grand Avenue, West Des Moines, Iowa 50266 or call 515-473-6256 and reference project #W 247/JC. Comments must be received within 30 days of the date of this notice. IPL0363109 Aug 7 2026