Submitted by
👤 Eric Goodill
94 plaques
Alpine Hotel
First Saw Mill in San Mateo County, California
Development of Motion Pictures
New Idria Mine
Fred W. "Bill" Gehri Bridge
Pigeon Point Lighthouse
Pigeon Point Lighthouse: Civil Engineering Landmark
Gen Merrill Carriage House
Hanna House
Fray Junipero Serra
Stone River by Andrew Goldsworthy
Michael Alan Wolder
James Arthur Schuler
Gaspar de Portolá Expedition Campsite
Anchor Point Alaska
Sageland
Carrizo Plain National Monument
The Landing of Francis Drake H.M.S. "Golden Hinde"
Menlo Park
First Commercially Practicable Integrated Circuit
Semiconductor planar process and integrated circuit, 1959
William Lawson Plaza
Remembering Henry Alton Hyde (1871 - 1949)
A Continuing Legacy