California Glen Ellen 1861 Siege Howitzer - London Ranch Rd & Arnold Dr Healdsburg 1922 LGAR Monument - Oak Mound Cemetery - 601 Piper St 1876 GAR Foundtain - Oak Mound Cemtery - 601 Piper St 1862 Citizens Monument to Col Rodrick Matheson - GAR Plot - Oak Mound Cemetery - 601 Piper St Santa Rosa 1915 GAR Monument with Cannon - Santa Rosa Rural Cemetery