Shrub's Wood Long Barrow
... that despite Shrub's Wood Long Barrow in Kent being nearly 30 m (100 ft) high, it was not discovered until about 1970?
... that despite <b id="mwBcU"><a href="./Shrub's_Wood_Long_Barrow" id="mwBcY" rel="mw:WikiLink" title="Shrub's Wood Long Barrow">Shrub's Wood Long Barrow</a></b> in Kent being nearly <span about="#mwt66" data-mw='{"parts":[{"template":{"target":{"wt":"convert","href":"./Template:Convert"},"params":{"1":{"wt":"30"},"2":{"wt":"m"},"3":{"wt":"ft"},"4":{"wt":"-1"},"abbr":{"wt":"on"}},"i":0}}]}' id="mwBcc" typeof="mw:Transclusion">30</span><span about="#mwt66" typeof="mw:Entity"> </span><span about="#mwt66">m (100</span><span about="#mwt66" typeof="mw:Entity"> </span><span about="#mwt66">ft)</span> high, it was not discovered until about 1970?