 After the Falkland Islands Dependencies Survey was renamed British Antarctic Survey in 1962 , a series of depots were developed , including one at Mount Jackson . BAS members were successful in making many first ascents of the mountains of the Antarctic Peninsula , and John Cunningham , who served at the BAS base at Adelaide Island , was the first to climb Mount Jackson . Traveling by dog sled for 640 kilometres ( 400 mi ) , his team reached the summit on 23 November 1964 . 
 After the Falkland Islands Dependencies Survey was renamed British Antarctic Survey in 1962 , a series of depots <a href='uninflect' title='1'><mark>were</mark></a> developed , including one at Mount Jackson . BAS members <a href='uninflect' title='2'><mark>were</mark></a> successful in making many first ascents of the mountains of the Antarctic Peninsula , and John Cunningham , <a href='null_relcl' title='3'><mark>who</mark></a>served at the BAS base at Adelaide Island , was the first to climb Mount Jackson . Traveling by dog <a href='uninflect' title='4'><mark>sled</mark></a> for 640 kilometres ( 400 mi ) , his team reached the summit on 23 November 1964 . 
After da Falkland Islands Dependencies Survey was renamed British Antarctic Survey in 1962 , a series of depots was developed , including one at Mount Jackson . BAS members was successful in wit many first ascents of tdamountains of the Antarctic Peninsula , and John Cunningham , served at thdaAS base at Adelaide Island , was the first to climb Mount Jackson . Traveling by dog sledded for 640 kilometres ( 400 mi ) , his team reached the summit on 23 November 1964 .