1888-1891. Labná Arch, inner (northwest) face of vaulted archway, showing degree of survival. Roofcomb almost entirely collapsed.       
1888-1891 photograph by Henry N. Sweet as a member of the Thompson/Peabody expedition; scanned from 35mm slide of original photograph at Dumbarton Oaks. Reproduced Courtesy of the Peabody Museum of Archaeology and Ethnology, Harvard University.