Fencepost limestone
... that farmers hauled 17 million lb (7.7 million kg) of Kansas Fencepost limestone in horse-drawn wagons to build the Cathedral of the Plains ?
... that farmers hauled <span about="#mwt36" data-mw='{"parts":[{"template":{"target":{"wt":"Convert","href":"./Template:Convert"},"params":{"1":{"wt":"17"},"2":{"wt":"e6lb"},"3":{"wt":"e6kg"},"abbr":{"wt":"unit"}},"i":0}}]}' id="mwAeY" typeof="mw:Transclusion">17</span><span about="#mwt36" typeof="mw:Entity"> </span><span about="#mwt36">million</span><span about="#mwt36" typeof="mw:Entity"> </span><span about="#mwt36">lb (7.7</span><span about="#mwt36" typeof="mw:Entity"> </span><span about="#mwt36">million</span><span about="#mwt36" typeof="mw:Entity"> </span><span about="#mwt36">kg)</span> of Kansas <b id="mwAec"><a href="./Fencepost_limestone" id="mwAeg" rel="mw:WikiLink" title="Fencepost limestone">Fencepost limestone</a></b> in horse-drawn wagons to build the <a href="./Basilica_of_St._Fidelis" id="mwAek" rel="mw:WikiLink" title="Basilica of St. Fidelis">Cathedral of the Plains</a> <i id="mwAeo">(pictured)</i>?