National Register of Historic Places

Marconi Wireless-Synanon Tomales Bay Headquarters Historic District (Additional Documentation)

Marshall, Marin County, California
Listed
July 23, 1989
Type
District
Period
Listed
Ref No.
88003223

Location

18500 CA 1
Marshall, Marin County, California
38.14407, -122.87843

Significance

Marconi Wireless-Synanon Tomales Bay Headquarters Historic District (Additional Documentation) is a historic district in Marshall, Marin County, California. It was added to the National Register of Historic Places on July 23, 1989, under reference number 88003223. It is recognized for its significance in Communications, Architecture and Social History.

Categories

COMMUNICATIONSARCHITECTURESOCIAL HISTORY
National Register nomination ›
Sources

Property data from the National Register of Historic Places, National Park Service (public domain).

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This page lists Marconi Wireless-Synanon Tomales Bay Headquarters Historic District (Additional Documentation). A full Aubrey report for an address near it pulls together this listing alongside battlefield records, land patents, and every other historical record within a chosen radius:

Overview
An interactive map of the location with historic sites, battles and Native heritage plotted, and its full story era by era.
The Land
The historic sites and place names around the location, and how this land was settled and used.
Geology
The bedrock beneath the site, its age and rock type, reaching back millions of years.
LiDAR Terrain
Laser-scanned terrain that reveals earthworks and old features hidden in the landscape.
Conflict & War
The battles, raids and skirmishes fought near here, across every era of American conflict.
The Civil War
The Civil War on this ground, 1861 to 1865: who held it, and the battles, camps and regiments nearby.
The Soldiers
The men who marched from here in the Civil War, named and traced where the record allows.
Native Heritage
The Native nations who held this land, mapped across time from before European contact to today.
Settlement
Who claimed and held this ground, from Indigenous homelands through the colonial powers to the United States.
The Community
How the town grew, who came, and what kind of place it became, traced through the census record.
Rivers & Rail
The rivers, canals and railroads that connected this place between 1830 and 1911.
Notable People
The people born, buried or genuinely tied to this exact place, with their stories.
Historical Maps
Historic maps of the location layered over how it looks today.
Finds & Access
Museum objects tied to the area, and the laws on searching, collecting and access here.
Literature
The old books, county histories and archives that mention this place, quoted with their sources.
Spotlight
A deep dive into the most remarkable, lesser-known history of the place, traced back to the record.
Points of Interest
The most significant historic sites and landmarks near the location, and why they matter.
Timeline
The whole story of the location told era by era, from first peoples to the present day.
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Nearby Historic Sites

Station KPH Operating Station
Industrial
0 mi
Schreiber, Brock, Boathouse and Beach
Industrial
3.2 mi
Pierce Ranch
Listed
5.1 mi
Tomales Presbyterian Church and Cemetery
Industrial
7.2 mi
Tocaloma Bridge
Industrial
9.1 mi

Questions about this property

When was Marconi Wireless-Synanon Tomales Bay Headquarters Historic District (Additional Documentation) listed on the National Register?

Marconi Wireless-Synanon Tomales Bay Headquarters Historic District (Additional Documentation) was listed on the National Register of Historic Places on July 23, 1989.

What type of historic resource is Marconi Wireless-Synanon Tomales Bay Headquarters Historic District (Additional Documentation)?

Marconi Wireless-Synanon Tomales Bay Headquarters Historic District (Additional Documentation) is classified as a district in the National Register of Historic Places.

What is the period of significance for Marconi Wireless-Synanon Tomales Bay Headquarters Historic District (Additional Documentation)?

The period of significance for Marconi Wireless-Synanon Tomales Bay Headquarters Historic District (Additional Documentation) is recorded as the listed era.

Can I research the history near Marconi Wireless-Synanon Tomales Bay Headquarters Historic District (Additional Documentation)?

Yes. Aubrey Research reports search National Register listings, battlefield records, land patents, and other primary historical sources within any radius of a US address. A report for an address near Marconi Wireless-Synanon Tomales Bay Headquarters Historic District (Additional Documentation) will include this listing and all other historical records in the area.

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