In 1965, shortly after the death of his wife, Richardson traveled to [[Washington, D.C.]], to testify on behalf of the establishment of the [[Guadalupe Mountains National Park]] in West Texas near the [[New Mexico]] state line. The park opened in 1967.<ref name=sutphen>{{cite web|url=http://www.sutphen.org/genealogy/richardson/rupertn.htm|title=Rupert Norval Richardson|publisher=sutphen.org|accessdate=February 13, 2020}}</ref> | In 1965, shortly after the death of his wife, Richardson traveled to [[Washington, D.C.]], to testify on behalf of the establishment of the [[Guadalupe Mountains National Park]] in West Texas near the [[New Mexico]] state line. The park opened in 1967.<ref name=sutphen>{{cite web|url=http://www.sutphen.org/genealogy/richardson/rupertn.htm|title=Rupert Norval Richardson|publisher=sutphen.org|accessdate=February 13, 2020}}</ref> |