POST MARK COLLECTORS CLUB - POST OFFICE PHOTOGRAPH COLLECTION

Post Office: Boulder, CO 80302 (Boulder County)
Date of Photo: circa 1910-20
Contributor: Paul E. Petosky, Postmarks from the Past
Comment: Originally established in NEBRASKA TERRITORY in 1859. Changed to BOULDER COUNTY in 1861. Changed to COLORADO on August 1, 1876.