1. California (Los Angeles County) Boneyard Canyon quadrangle Yale Public content 1949. 2020-03-05T19:03:11Z. 2021-07-02T03:01:24Z. Geological Survey (U.S.), cartographer, issuing body. United States, Dept. of the Interior, Geological Survey. English. cartographic image. Public. California and Los Angeles County (Calif.).