Guard Rock, Des Moines Rapids Canal L.W.

Medium

cyanotype

Dimensions

image: 26.5 × 33.1 cm (10 7/16 × 13 1/16 in.) sheet: 36.6 × 43.5 cm (14 7/16 × 17 1/8 in.)

Classification

Photograph

Department

CPH

Museum

National Gallery of Art, Washington, D.C.

Credit

Gift of Betsy S. Aubrey and E. Steve Lichtenberg, MD

Accession Number

2012.138.18