THE HISTORICAL
MARKER DATABASE
“Bite-Size Bits of Local, National, and Global History”
 
 
 
 
 
 
2 entries match your criteria.  

 
 

Historical Markers in Harmony

 
Clickable Map of San Luis Obispo County, California and Immediately Adjacent Jurisdictions image/svg+xml 2019-10-06 U.S. Census Bureau, Abe.suleiman; Lokal_Profil; HMdb.org; J.J.Prats/dc:title> https://commons.wikimedia.org/wiki/File:Usa_counties_large.svg San Luis Obispo County, CA (141) Kern County, CA (390) Kings County, CA (8) Monterey County, CA (284) Santa Barbara County, CA (185)  SanLuisObispoCounty(141) San Luis Obispo County (141)  KernCounty(390) Kern County (390)  KingsCounty(8) Kings County (8)  MontereyCounty(284) Monterey County (284)  SantaBarbaraCounty(185) Santa Barbara County (185)
San Luis Obispo is the county seat for San Luis Obispo County
Harmony is in San Luis Obispo County
San Luis Obispo County (141)  ►
ADJACENT TO SAN LUIS OBISPO COUNTY
Kern County (390)  ►
Kings County (8)  ►
Monterey County (284)  ►
Santa Barbara County (185)  ►
 
Touch name above to highlight map location.
Touch blue arrow, or on map, to go there.
1 ► California, San Luis Obispo County, Harmony — Detroit Industrial Vehicle Company —
Our 1964 DIVCO is nicknamed "Hidden Valley" because it was featured in a Hidden Valley Ranch Dressing tv commercial before being fully restored into a scoop truck in 2017. The Divco milk truck, America's most iconic delivery truck, remained . . . — — Map (db m299962) HM
2 ► California, San Luis Obispo County, Harmony — The Town of Harmony —
....grew up around a dairy, founded in 1869. Until 1907 the creamery changed hands several times. In these early days rivalries and feuding among the dairy farmers caused chaos in the valley. After one shooting death a truce was called. All agreed . . . — — Map (db m68508) HM
 
 
  
  
  
 
 
CeraNet Cloud Computing sponsors the Historical Marker Database.
This website earns income from purchases you make after using our links to Amazon.com. We appreciate your support.
Paid Advertisement
Nov. 11, 2026