California Historical Landmarks in Amador County
California Historical Landmark 470
Plymouth Trading Post
Main Street Between Mill and Mineral Streets
This building, constructed entirely of brick, was built by Joe Williams in 1857. In 1873 the many small mines of the area were combined to become Plymouth Consolidated, and this building became the new company's office and commissary.
Citation from California Office of Historic Preservation
Mining camps started as clusters of tents and other makeshift shelters. If the mine was productive, wooden buildings were erected and a town was born.
Conflagrations were a recurring curse. Often entire town were repeatedly destroyed by fire. Stonemasons, especially Italian immigrants from Liguria, began building "fire proof" banks and stores of stone or brick with iron doors and iron window shutters to protect the contents from fire.
Many of these stone buildings survive. Some of them, such as the Butte Store, are the sole reminders of a lost mining town.
Some of these buildings are:
Some Missing California Plaques
When we visited the following sites, we were unable to locate a California commemorative plaque.
At some sites, it appeared that a California plaque had never been erected. At other sites, there was a base, but the plaque itself was missing. Some sites without California plaques had other historic markers, but they did not note that the site is a California Historical Landmark.
Frog Woman Rock, Mendocino County
Glencoe (Mosquito Gulch) , Calaveras County
Giant Powder Company Site, San Francisco
Golden Gate Bridge, San Francisco and Marin Counties
Grange Hall Site, El Dorado County
Negro Hill, Folsom Lake State Recreation Area
Noble Pass Route, Lassen Volcanic National Park
Old Emigrant Trail, Modoc National Forest
Old Lobero Theatre, Santa Barbara
Olema Lime Kilns, Marin County
Portolá Camp at Gazos Creek, Bean Hollow State Beach
Portolá Camp at Martini Creek, Montara
Portolá Camp at Pilarcitos Creek, Half Moon Bay
Portolá Camp at Pulgas Water Temple, San Mateo County
Portolá Camp at Purisima Creek, Half Moon Bay
Portolá Camp at San Gregorio State Beach, San Gregorio
Portolá Camp at Tunitas Beach, San Mateo County
Richmond Shipyards District, Richmond
Rincon Hill, San Francisco
Robert Louis Stevenson House, Monterey