Columbia detachment of the Royal Engineers
...that the Columbia detachment of the Royal Engineers built some of the first major roads in British Columbia?
...that the <b id="mwAxw"><a class="mw-redirect" href="./Royal_Engineers,_Columbia_detachment" id="mwAx0" rel="mw:WikiLink" title="Royal Engineers, Columbia detachment">Columbia detachment of the Royal Engineers</a></b> built some of the first major roads in <a href="./British_Columbia" id="mwAx4" rel="mw:WikiLink" title="British Columbia">British Columbia</a>?