lower left in silver ink: Longest day: last light of the Solstice; lower right in silver ink: Carefree, AZ 6/21/84; lower left verso in graphite: c 1984; lower center verso in graphite: Mark Klett; lower right verso in graphite: 1/50; by later hand, upper left verso in graphite: MK.079
Kathleen Ewing Gallery, Washington, DC; purchased with donated funds from the Collectors Committee by NGA, 1996.
- Klett, Mark. Revealing Territory: Photographs of the Southwest by Mark Klett. Albuquerque: University of New Mexico Press, 1992: pl. 26.