Map number six, Locations include: Montezuma, Denverton, Suisun, Grisly Island, Rio Vista, Los Ulpinos Grant, Joices Island, Rowe Island, Long Point Island, Richs Island, Grays Island, Wheeler Island, Hammond Island, Chips Island, Van Sickles Island. Historical atlas map of Solano County, California. Compiled, drawn and published from personal examinations and surveys by Thompson and West. San Francisco, Cala. 1878. Thos. Hunter, Pr. Phila. N. Friend, Engr. Philad. C.L. Smith, Del.