Rock Garden
Constructed in 1988, the Rock Garden contains more than 1,000 yards of soil, over 100 tons of quartzite rock and around 40 yards of scree, which is a special soil mix resembling soil found in alpine environments. Planting of the Rock Garden began in 1991, using herbaceous alpine plants, shrubs and trees; many which are native to the Rocky Mountains and the canyon areas of the Black Hills.
Sponsor: The Brookings Daily Register - 1990
