>>46003 >>46011

During the early mining boom days at the Black Diamond coal mines in Diablo Mountain the main boom town was Clayton. There is a CEMEX in Clayton now. I wonder if that is the cement word drop.

http://cemexclaytonquarry.com/

https://claytonhistory.org/history/coal-mining/

It sure is close to Brentwood. Them Hollywood types sure love to live in Brentwood