Astronomical Observatory

Historical marker location:

Volcano, California

( Marker is on Shake Ridge Road, 1 mile west of Rams Horn Grade, on the left when traveling west.)

Marker installed: 1968

The first female mayor in the U.S. was elected in California in 1887. Susanna M. Salter was elected mayor of Argonia, Kansas, but she was born in California and later moved to Kansas with her husband.