|
|
McGILL BIRD OBSERVATORY |
||||
October 2004. Volunteers install a new layer of aspenite, covering over the weathered and in places weakened old roof panels.
|
|
|
McGILL BIRD OBSERVATORY |
||||
October 2004. Volunteers install a new layer of aspenite, covering over the weathered and in places weakened old roof panels.
|
|
© 2002- The Migration Research Foundation Inc. |
