Mining of Black Mesa Tableland Has Given Rise to Question of Whether Run-Off Is Destructive of Hopi Fields

---

Size: 1163px × 1720px
Photo credit: © PF-(usna) / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: .., agency, archives, belt, conveyor, conveyorbelt, documerica, environmental, environmentalprotectionagency, historic, history, mining, nara:arcid=544120, national, protection, strip, stripmine, stripmining, usa, usnationalarchives