00-0293-21 Add to clipboard Item 2000 Part of Chris Tumbusch Photographs Keck Observatory under construction
00-0293-27 Add to clipboard Item 2000 Part of Chris Tumbusch Photographs Keck Observatory under construction
00-0405-12 Add to clipboard Item 2000 Part of Chris Tumbusch Photographs Keck Observatory under construction
00-0405-18 Add to clipboard Item 2000 Part of Chris Tumbusch Photographs Keck Observatory under construction
99-0823-28 Add to clipboard Item 1999 Part of Chris Tumbusch Photographs Construction of Keck Observatory
99-0824-01 Add to clipboard Item 1999 Part of Chris Tumbusch Photographs Construction of Keck Observatory
99-0824-06 Add to clipboard Item 1999 Part of Chris Tumbusch Photographs Construction of Keck Observatory
99-0824-13 Add to clipboard Item 1999 Part of Chris Tumbusch Photographs Construction of Keck Observatory
99-0824-17 Add to clipboard Item 1999 Part of Chris Tumbusch Photographs Construction of Keck Observatory
99-0824-23 Add to clipboard Item 1999 Part of Chris Tumbusch Photographs Construction of Keck Observatory