Julius C. Henkenius
Julius C. Henkenius was a California-based surveyor active around the turn of the 20th century.
Preliminary Mineralogical and Geological Map of the State of California Issued By The California State Mining Bureau. January 1st 1891.
A pioneering map of California, in which the entire state is mapped in mineralogical and geological terms for the first time.Cartographer(s): Julius C. HenkeniusPlace/Date: San Francisco / 1891Read more