ISAAC A. ELDER, son of  JOHN C. ELDER, found in 1880 census,
               in Waldo, Josephine County, Oregon  (John is brother of ISAAC SR)
                ( PAXTANG PA group  from Iowa)

Document provided by D. Ellison, Reston, Virginia
More notes about ISAAC A. ELDER, b. 1869 Oregon, died 1917 while in mining business in South America
at
http://freepages.genealogy.rootsweb.ancestry.com/~nancyelder/ed/IsaacAElderOregon.htm

Map showing BARRANQUILLA, COLOMBIA