This restoration included coating the structures with modern cement , which Boggs judged to be sufficiently similar to their original appearance as to justify its use .
Between 1942 and 1944 Stanley Boggs excavated and restored structures B1 - 1 and B1 - 2 .
This restoration included coating the structures with modern cement , which Stanley Boggs judged to be sufficiently similar to their original appearance as to justify its use .
Between 1942 and 1944 Stanley Boggs excavated and restored structures B1 - 1 and B1 - 2 .