The Sentinels; height 315 ft; Mammoth Grove, Calaveras County LCCN2002721653, 1866
Title: the sentinels; height 315 ft; mammoth grove, calaveras county
abstract/medium: 1 photographic print: half stereograph, albumen. Date: 1866. Collection: Lawrence & Houseworth.
Author: Lawrence & Houseworth, publisherSource: https://commons.wikimedia.org/Loading...