Crusoe Umbrella, 1979
Cor-Ten steel painted with polyurethane enamel
37 x 37 x 58 ft. (11.3 x 11.3 x 17.7 m)
sited: 33 x 37 x 56 ft. (10.1 x 11.3 x 17.1 m)
Nollen Plaza, Civic Center of Greater Des Moines, Des Moines, Iowa
Photo by Attilio Maranzano

Fabricated by Lippincott, Inc., North Haven, Connecticut. Engineer: J. Robert Jennings
Commissioned September 1978 by the Civic Center of Greater Des Moines, with a matching grant from the National Endowment for the Arts and donations from local sources
Installed November 27, 1979
Inaugurated November 29, 1979