sentences:  In 1912, Frederick Law Olmsted, Jr. was hired to plan the park system.Olmsted identified 41,310 acres (167 km²) of land that Denver should acquire for parks, mountain roads, and to protect scenic vistas.Acquisition of Genesee Park began in 1912; it was the first park established and, at 2,413 acres (9.7 km²), is still the largest.