Lyndon Baines Johnson Memorial Grove on the Potomac
Lyndon Baines Johnson Memorial Grove on the Potomac is located on Columbia Island ( renamed Lady Bird Johnson Park in 1968 ) , in Washington , D . C . 
<triplet> Lyndon Baines Johnson Memorial Grove on the Potomac <subj> Washington, D.C. <obj> located in the administrative territorial entity <triplet> Lady Bird Johnson Park <subj> Washington, D.C. <obj> located in the administrative territorial entity