History Blog October 27, 2017 UCBG, 1935, looking across the lawn. UC Botanical Garden, late 1930’s, CCC and the Stone Bridge construction. UCBG, 1934, Sal Sleack’s Iris pool, Herb Garden. UC Botanical Garden, 1932, Nicotiana planting in the foreground. UCBG, early 1970’s, Africa Hill.