Edward S. Curtis An Offering at the Waterfall 1925 Photogravure printed on Van Gelder paper 11 1/2 x 15 5/8 in. Inquire about this work Share On Facebook Twitter Email Edward S. Curtis An Offering at the Waterfall, 1925 Photogravure printed on Van Gelder paper 11 1/2 x 15 5/8 in.