Public domain Material in the public domain. No restrictions on use.
San Juan Hot Springs (or Capistrano Hot Springs) was a popular local vacation spot from the 1870s to the 1930s. They are located along the Ortega Highway (SR 74) in what is now the upper end of Caspers Wilderness Park.
http://ark.cdlib.org/ark:/13030/c8xw4hjr CFLS_047 binder number 73
San Juan Hot Springs (Calif.) Orange County, (Calif.)