lower left in graphite: OK [P]? / #1 [other notes to printer in another hand]
Acquired by NGA in 1997 directly from Kathan Brown.
- Thirty-five Years at Crown Point Press, National Gallery of Art, Washington, 1997, no. 124*, as Long Vertical Falls: Long Vertical Falls #1.
- Thirty-five Years at Crown Point Press. Exh. cat. National Gallery of Art, Washington; The Fine Arts Museums of San Francisco, 1997-1998: no. 124*.