. "15.28873" . . "3.6576" . . . . . . . . "1917-05-12" . . . "USS Althea (SP-218)" . "18.288" . . "1.2192" . . . "1919-08-02" . "Sank, 18 March 1920; sold for salvage, 12 May 1920; abandoned, 1926" . "USS ''Althea'' (SP-218)" . . "USS Althea (SP-218)" . . "USS Althea" . . . "USS ''Althea''" . . "1917-06-15" .