Ali just before climb down to top of Grand Slam.
The top of Grand Slam.
The top of Grand Slam.
The top of Grand Slam.
The top of Grand Slam.
Top of Grand Slam.
Top of Grand Slam. 
Looking up Grand Slam.
Looking up Grand Slam.
Looking up Grand Slam.
Looking up Grand Slam. 
At the bottom of Grand Slam.
At the bottom of Grand Slam.
Looking up Grand Slam.
Looking up Grand Slam.
Formations at base of Grand Slam.
Formations at base of Grand Slam.
Tack and Dylan surveying at the start of Vienna Coup.
Dylan checking the way on at the start of Vienna Coup.
Tack surveying in Vienna Coup.
Tack surveying in Vienna Coup. 
Tack surveying in Vienna Coup with Si.
Aven in Vienna Coup. 
Vienna Coup streamway.
Vienna Coup streamway.
Vienna Coup streamway.
James marking a station in Vienna Coup.
Vienna Coup streamway.
Looking back into a dry highlevel bypass above Vienna Coup.
Tack & Dylan surveying in Vienna Coup.
Tack & Dylan surveying in Vienna Coup.
Tack & Dylan surveying in Vienna Coup.
Tack & Dylan surveying in Vienna Coup.
Tack & Dylan surveying in Vienna Coup. 
Formations in Vienna Coup
Formations in Vienna Coup
Formations in Vienna Coup
Deep pool in Vienna Coup at station 54,55.
Deep pool in Vienna Coup at station 54,55.
Surveying downstream - Vienna Coup, James at station 56.
Surveying downstream - Vienna Coup, James at station 56.
Surveying downstream - Vienna Coup, James at station 56.
Surveying downstream - Vienna Coup station 57. 
Big streamway stns 58-64.
Big 90m aven at station 68. 
Tack concentrating on the survey.
Vienna Coup streamway - around station 73.
Vienna Coup streamway - around station 73.
Vienna Coup streamway - around station 73.
Pool in Vienna Coup streamway - around station 78.
Morton's Fork - James at station 87.
Rectifying The Count - between stations 87 to 99.
Looking up Grand Slam.
Vienna Coup streamway.
Rectifying The Count - between stations 87 to 99.
Rectifying The Count - between stations 87 to 99.