The Voyager Spacecraft - Interplanetary Explorers

Historical marker location:

4800 Oak Grove Drive, Pasadena, California

( Marker can be reached from Oak Grove Drive north of Surveyor Road, on the right when traveling north.)

Marker installed: 1993

International Historic Mechanical Engineering Landmark. 1977.

The California Gold Rush of 1849 brought a huge influx of people to the state. In just two years, the population of San Francisco grew from 1,000 to 25,000. However, only a small percentage of gold-seekers actually struck it rich, and many ended up in debt or poverty.