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CHL # 138 Mark Twain Cabin Historic Markers in Tuolumne. NO. 138 MARK TWAIN CABIN - This is a replica of Mark Twain's cabin, with original chimney and fireplace. Here on Jackass Hill, young Mark Twain, while guest of the Gillis Brothers in 1864-65, gathered material for The Jumping Frog of Calaveras County, which first brought him fame, and for ...

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NO. 640 HEARST SAN SIMEON STATE HISTORICAL MONUMENT - Here on the historic Rancho Piedra Blanca, between 1919 and 1947, William Randolph Hearst created La Cuesta Encantada (The Enchanted Hill), including La Casa Grande and adjacent buildings with their rare art treasures and beautiful gardens.

NO. 315 KIT CARSON MARKER - On this spot, the summit of the Kit Carson Pass, stood the Kit Carson Tree on which the famous scout Kit Carson inscribed his name in 1844 when he guided the then Captain John C. Frémont, head of a government …

CHL # 915 Petrified Forest in Sonoma. NO. 915 PETRIFIED FOREST - The petrified forest, historically and scientifically significant as the state's only petrified forest dating from the Eocene period, is unique in its size, scope, and variety of petrification. Discovered in 1870, the forest is about a mile long by half a mile wide.

The marker is about 180 feet north of "The Red Barn" at 8544 CA-49, Sonora, CA 95370

CHL # 252 San Andreas in Calaveras. NO. 252 SAN ANDREAS - Settled by Mexicans in 1848 and named after the Catholic parish St. Andres, the town has been a noted mining camp since early days. Gold from the surrounding ancient river channels and placer mines contributed greatly to the success of the Union during the Civil War. The first newspaper was published here on …

CHL # 845 Plank Road in Imperial. NO. 845 PLANK ROAD - This unique plank road, seven miles long, was the only means early motorists had of crossing the treacherous Imperial sand dunes. The 8-by-12-foot sections were moved with a team of horses whenever the shifting sands covered portions of the road. Double sections were placed at intervals to permit vehicles to pass.

One of the original 27 counties in California, Mariposa County comprised one-sixth of the state-all of what is now Merced, Madera, Fresno, Tulare, Kings, and Kern Counties-until 1852, while mining was the main industry of region.