![](/BOREAS/bhs/pictures/SSA/SSA-OBS_Road_62.gif)
The 1.3 km road and boardwalk from OBS (facing North) |
![](/BOREAS/bhs/pictures/SSA/SSA-OBS_Tower_Base_54.gif)
The control box at the base of the flux tower |
![](/BOREAS/bhs/pictures/SSA/SSA-OBS_Argo_91.gif)
The ARGO ATV used to haul equipment to OBS |
![](/BOREAS/bhs/pictures/SSA/SSA-OBS_Flux_Tower_56.gif)
The double-scaffold flux tower |
![](/BOREAS/bhs/pictures/SSA/SSA-OBS_Hut_59.gif)
The hut and boardwalk |
![](/BOREAS/bhs/pictures/SSA/SSA-OBS_TE_Tower_71.gif)
The TE canopy tower |
![](/boreas/GRAB_BAG/slide_cd/viewer/slide_45.gif)
Construction during 1993 of the tower site at the Old Black Spruce (SSA-OBS) |
![](/boreas/GRAB_BAG/slide_cd/viewer/slide_48.gif)
Trail into SSA-OBS. Large scar and canal created by
construction vehicles cutting a new path each visit to avoid being mired in bog. |
![](/boreas/GRAB_BAG/slide_cd/viewer/slide_49.gif)
Photograph of construction vehicle in action as it lays the electrical cable into
SSA-OBS sites. |
![](/boreas/GRAB_BAG/slide_cd/viewer/slide_46.gif)
Tower construction crew working on the foundation for the SSA-OBS tower. |
![](/boreas/GRAB_BAG/slide_cd/viewer/slide_47.gif)
Aerial view of double-scaffold flux tower at SSA-OBS site and 100 m cable tramway
for transporting the PARABOLA instrument between the flux and Rohn tower. |
![](/BOREAS/bhs/pictures/SSA/SSA-OBS_CO2_Cham_20.gif)
A CO2 flux chamber instrument at SSA-OBS |
![](/BOREAS/bhs/pictures/SSA/SSA-OBS_Ground_85.gif)
The ground cover at OBS |