"Mayor & Council". City of Black Diamond. Archived from the original on February 17, 2022. Retrieved March 28, 2022.
City of Black Diamond (September 28, 2010). "Ordinance No. 10-946"(PDF). www.blackdiamondwa.gov. Archived(PDF) from the original on June 21, 2022. Retrieved June 29, 2022.
City of Black Diamond (March 15, 2022). "2022 Update by Mayor Carol Benson"(PDF). www.blackdiamondwa.gov. Archived(PDF) from the original on June 21, 2022. Retrieved June 29, 2022.
City of Black Diamond (September 28, 2010). "Ordinance No. 10-946"(PDF). www.blackdiamondwa.gov. Archived(PDF) from the original on June 21, 2022. Retrieved June 29, 2022.
City of Black Diamond (March 15, 2022). "2022 Update by Mayor Carol Benson"(PDF). www.blackdiamondwa.gov. Archived(PDF) from the original on June 21, 2022. Retrieved June 29, 2022.