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Penngrove in Sonoma County, California — The American West (Pacific Coastal)
 

Penngrove

 
 
Penngrove Marker image. Click for full size.
Photographed by Loren Wilson, August 20, 2007
1. Penngrove Marker
Inscription. This area which has also been known as Penn’s Grove and Penn Grove — uncertainty surrounds the exact origin of the name — was first settled in 1852. With the competition of the San Francisco and North Pacific Coast Railroad in 1870 a town developed where the railroad crossed Main Street, then the main Santa Rosa-Petaluma road. From here the railroad carried thousands of cobblestones, which were quarried nearby, to Petaluma where they were loaded onto barges and shipped to San Francisco. After 1900 Penngrove developed into the second largest egg and poultry producing area in the county.
 
Erected 1991 by Sam Brannan Chapter #1004 E Clampus Vitus.
 
Topics and series. This historical marker is listed in these topic lists: Industry & CommerceSettlements & Settlers. In addition, it is included in the E Clampus Vitus series list. A significant historical year for this entry is 1852.
 
Location. 38° 17.704′ N, 122° 39.964′ W. Marker is in Penngrove, California, in Sonoma County. It can be reached from Main Street near Old Redwood Highway, on the right when traveling south. Plaque is located in Penngrove Park, behind the fire station. Touch for map. Marker is at or near this postal address: 10070 Main Street, Penngrove CA 94951, United States of America. Touch for directions.

Regionally, this marker is in California’s San Francisco Bay Area, in Wine Country, in the North Coast, and specifically on the Coast Ranges. It is also on the American Pacific Coast. Globally, it is in North America, on the Ring of Fire, in the Pacific Rim, in the Western Hemisphere, in the Western World, and in the Anglosphere. Historically, it finds itself in what was once New Spain and also Mexico’s Alta California.

Other nearby markers. At least 8 other markers are within
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5 miles of this marker, measured as the crow flies: The Willow Creek Inn (approx. 2.4 miles away); Cotati Downtown Plaza (approx. 3.1 miles away); Veronda/Falletti Ranch (approx. 3.1 miles away); Wilmar Union Elementary School District And Wilson Elementary School (approx. 3.7 miles away); Washoe House (approx. 4 miles away); Sergeant Richard A. Penry (approx. 4.3 miles away); Petaluma Train Depot (approx. 4.3 miles away); Bill Soberanes (approx. 4.3 miles away).
 
Another marker is no longer nearby. Vallejo’s Petaluma Adobe (was approx. 0.6 miles away but has been reported to have been replaced with another marker now near it).
 
Additional commentary.
1. Additional Information Regarding the Marker Dedication
Wayne Brooks was Noble Grand Humbug when this plaque was ddedicated. Base designed and constructed by Bob Campbell NGH #12. Plaque Wording by Loren A. Wilson.
    — Submitted April 18, 2012, by Loren Wilson of Sebastopol, California.
 
Penngrove Marker image. Click for full size.
Photographed by Loren Wilson, August 20, 2007
2. Penngrove Marker
Stone monument behind Penngrove marker was location of the stolen plaque.
 
 
Credits. This page was last revised on June 16, 2016. It was originally submitted on April 18, 2012, by Loren Wilson of Sebastopol, California. This page has been viewed 1,427 times since then and 96 times this year. Photos:   1, 2. submitted on April 18, 2012, by Loren Wilson of Sebastopol, California. • Syd Whittle was the editor who published this page.
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Jun. 18, 2026