Cite
[Creator not found], (2016). KH-4b: Declassified Satellite Imagery - Series 1 ("Corona"): DS1111-2167DA025. https://isac-idb.uchicago.edu/id/b85661b9-da04-40e7-b0d9-3826d0038159 (imagery)
Available from: https://geo.btaa.org/catalog/camel-1017963