Complex sentence: The Jordan Cooperative Houses were built in 1961, and the College purchased Wolbach Hall, an apartment building, in 1964 and constructed Hilles Library in 1970 and the Radcliffe Quadrangle Athletic Center in 1982.
Split into simpler sentences: The Jordan Cooperative Houses were built in 1961, and the College purchased Wolbach Hall, an apartment building, in 1964. Radcliffe constructed Hilles Library in 1970 and the Radcliffe Quadrangle Athletic Center in 1982.