Steel Cobweb, about 1974. Stainless steel. The artist gives the dimensions as, “8’ – 11’ tall (can be extended or retracted) 15’ long, 10’ deep.” The work was exhibited under the auspices of the New York City Metropolitan Transportation Authority at the World Trade Center and LaGuardia Airport in 1974 and Ms. Mark’s exhibition at the Elaine Benson Gallery the same year. The LaGuardia installation is pictured above, the Benson Gallery courtyard below.