Image: Black Canyon Colorado River
Description: Black Canyon — on the Colorado River border between Nevada and Arizona, photographed in the direction of "Camp 7". Image by Timothy H. O'Sullivan, from the 1871 Wheeler Survey. Location of present day Hoover Dam and Lake Mead.
Title: Black Canyon Colorado River
Credit: National Archives of the United States. Still Picture Records LICON, Special Media Archives Services Division (NWCS-S), National Archives at College Park, 8601 Adelphi Road, College Park, MD 20740-6001 PHONE: 301-837-3530, FAX: 301-837-3621, EMAIL: stillpix@nara.gov . ARC Identifier: 524160. Local Identifier: 106-WB-57.
Author: Timothy H. O'Sullivan
Permission: Public domain. Publication status is uncertain; however, more than 120 years have elapsed since the image was created, and thus it is public domain under any of the standards listed at Commons:Licensing#United_States. Additionally, the search page for the entire collection on the website of the National Archives indicates that all of its images are in the public domain.
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
Image usage
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