Where was the Ellis Landing shellmound? on May 04, 2022 archeology Brooks Island Ellis Landing history N. C. Nelson native american Ohlone Richmond shellmound +
PREPARES REPORT OF SHELL MOUNDS - The Berkeley Gazette, 16 Sep 1908 on April 14, 2022 archeology history J. C. Merriam N. C. Nelson native american Ohlone shellmound U. C. Berkeley +
SHELLMOUNDS SHOW HABITS OF INDIANS - The Berkeley Gazette, 26 Jan 1910 on April 12, 2022 archeology history Marin County Miwok N. C. Nelson native american Ohlone shellmound U. C. Berkeley +