506 ECHOS-1995-230 eng Delaplane, Kristin Becoming port of call put Rio Vista on map Apr 23, 1995 Information for this story came from Fairfield Library, Vacaville Heritage Council and Rio Vista Museum. First of two parts The first Caucasian to see this area was probably Sir Francis Drake, when he explored the region on his trips up the Sacramento River in 1578. vacahc@gmail.com 230 53783467322 Publication/Article CaVaHC http://www.solanoarticles.com/history/index.php/vhcdb/230/ Read Article http://www.solanohistory.net/articles/230/230.1.pdf PDF Document