Cite

No. H-1426. Monument erected to the memory of Maj. John Wesley Powell. Grand Canyon, Arizona.

MLA

Fred Harvey (Firm). No. H-1426. Monument erected to the memory of Maj. John Wesley Powell. Grand Canyon, Arizona.. Box 2 | Folder 67. 1916. https://collections.library.yale.edu/catalog/2017918.

APA, 6th edition

Fred Harvey (Firm). (["Box 2 | Folder 67"])(1916)[No. H-1426. Monument erected to the memory of Maj. John Wesley Powell. Grand Canyon, Arizona.]. https://collections.library.yale.edu/catalog/2017918.