Beginning in 1910 the American Civic Association with the support of the General Federation of Women's Clubs and the Sierra Club had led the call for a federal service to manage the parks. The noted landscape architect and planner Frederick Law Olmsted Jr. was also a booster of a single national organization to manage the National Parks.
From 1910, the American Civic Association, backed by the General Federation of Women's Clubs and the Sierra Club, spearheaded the push for a federal agency to oversee national parks. The renowned landscape architect and planner Frederick Law Olmsted Jr. was also an advocate for a single national organization to manage the National Parks.