graphite, charcoal and ink on vellum

signed, titled and dated "Robert Longo “Study for Pipeline Hawaii” 2000" lower edge

image 9 7/8 x 14 1/2 in. (25.3 x 36.8 cm.)
sheet 11 7/8 x 16 1/8 in. (30.2 x 41 cm.)

Executed in 2000, this work is accompanied by a photo certificate signed by the artist.