"One of the most poignant pieces of public art on campus is Mnemonic by artist Marc O’Carroll, which is situated at the rear of the campus’ Fine Arts Building. According to a September 13, 1976 story in The Retriever Weekly, the piece was made in UMBC’s art studio and was meant to commemorate 'a huge and ancient sycamore' that once stood behind UMBC’s Dining Hall and was chopped down to make way for a service driveway."

Read more at http://magazine.umbc.edu/umbc-magazine-spring-2015/space-in-time/