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Humboldt County State Historical Landmarks
#146 Trinidad Head, Trinidad
#154 Fort Humboldt, Eureka
#164 The Old Arrow Tree, Korbel
#173 Centerville Beach Cross, near Ferndale
#215 Camp Curtis, Arcata
#216 Town of Trinidad, Trinidad
#477 City of Eureka, Eureka
#543 First Drilled Oil Wells, Petrolia
#783 Jacoby Building, Arcata
#838 Old indian Village of Tsurai, Trinidad
#842 Arcata & Mad River Railroad Company, Blue Lake
#882 Humboldt Harbor Historical District, Eureka
#883 Ferndale, Ferndale