00-0293-01 Add to clipboard Item 2000 Part of Chris Tumbusch Photographs Keck Observatory under construction
00-0293-04 Add to clipboard Item 2000 Part of Chris Tumbusch Photographs Keck Observatory under construction
00-0293-07 Add to clipboard Item 2000 Part of Chris Tumbusch Photographs Keck Observatory under construction
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