City Council Agenda Report: Consideration and possible action to receive an update report on the Portuguese Bend Landslide / Emergency Hydraugers Project and a 10-day report on the proposed extension of the Interim Urgency Ordinance. City of Rancho Palos Verdes. August 20, 2024. https://rpv.granicus.com/
Taylor, Ronald B. Land Moves but They Won’t: Rolling Hills: The Flying Triangle is sliding again, destroying houses and leaving concrete debris perched dangerously near some residents. But those who remain have learned to adapt and are resigned to the problem. Los Angeles Times. Dec. 17, 1992. https://www.latimes.com/archives/la-xpm-1992-12-17-me-2798-story.html
Douglas, Robert. The Creepy (Slow Moving) Landslides of the Portuguese Bend Area. Association of Environmental and Engineering Geologists. Special Publication, No. 24. February 2014. https://documents.rpvca.gov/