Gelatin developing out paper J. Paul Getty Museum GRI Digital Collections, Object Number: 1363-072
Title from annotations on verso. View of the observatory at Chichén Itzá, known as El Caracol (the snail), for its interior spiral staircase. Sec. A. no 21--written on photo. 1369--in negative. Cultura Maya. Ruinas de Chichén-Itza. Yucatán. D. Charnay 37--annotations in white chalk on backing.
