Softcover. Near fine. Undated, 1930s or 1940s. Single sheet printed on both sides, folded to a 4 x 9-inch brochure, with bright color covers, b/w illustrations from photographs inside. "Riverside County" written in pen on front cover; else fine. Fritz Guenther began developing Murrieta’s natural hot springs as a resort in 1902, and his family ran it until the 1960s. This brochure describes the healthful benefits of the springs ("conceded by eminent medical authorities to surpass all others in California in healthul properties. Treatments are recommended for neuritis, rheumatism, and all ailments of the stomach, bladder, liver and kidneys"), the food, amenities, and various levels of accommodation.