99-0825-32 Add to clipboard Item 1999 Part of Chris Tumbusch Photographs Construction of Keck Observatory
99-0827-01 Add to clipboard Item 1999 Part of Chris Tumbusch Photographs Construction of Keck Observatory
00-0257-16 Add to clipboard Item 2000 Part of Chris Tumbusch Photographs Keck Observatory under construction
00-0257-26 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
99-0825-08 Add to clipboard Item 1999 Part of Chris Tumbusch Photographs Construction of Keck Observatory
00-0293-01 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
99-0824-06 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