99-0827-15 Add to clipboard Item 1999 Part of Chris Tumbusch Photographs Construction of Keck Observatory
99-0827-08 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
99-0825-32 Add to clipboard Item 1999 Part of Chris Tumbusch Photographs Construction of Keck Observatory
99-0825-08 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
99-0824-17 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
99-0824-06 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