Sierra Co., CA - Index to Federal Land Records
Sierra County, CA Genealogy Forum read and post messages about your ancestors for this county
Sierra County, CA Genweb Project a collection of online resources for genealogy researchers
Sierra County Message Board read and post messages with other genealogy researchers of this county
Sierra County World War I Draft Registrations
The Tombstone Transcription Project - cemeteries for Sierra Co. CA
US GenWeb Archives for Sierra County cemeteries, newspapers, wills, military rosters etc recorded online
World War 1 Civilian Draft Registrations: Sierra County

Additional Resources

California Obituary Search enter your California ancestor's name to search the world's largest newspaper archive; over 3 Billion newspaper articles
California Birth Records
California Marriage Records
California Divorce Records
California Death Records