ribbon farms
... that ribbon farms established near Detroit were only 150 feet (46 m) wide, but up to 3 miles (4.8 km) long?
... that <b id="mwG4Y"><a href="./Ribbon_farm" id="mwG4c" rel="mw:WikiLink" title="Ribbon farm">ribbon farms</a></b> established near <a href="./Detroit" id="mwG4g" rel="mw:WikiLink" title="Detroit">Detroit</a> were only <span about="#mwt83" data-mw='{"parts":[{"template":{"target":{"wt":"convert","href":"./Template:Convert"},"params":{"1":{"wt":"150"},"2":{"wt":"ft"}},"i":0}}]}' id="mwG4k" typeof="mw:Transclusion">150 feet (46</span><span about="#mwt83" typeof="mw:Entity"> </span><span about="#mwt83">m)</span> wide, but up to <span about="#mwt84" data-mw='{"parts":[{"template":{"target":{"wt":"convert","href":"./Template:Convert"},"params":{"1":{"wt":"3"},"2":{"wt":"mi"}},"i":0}}]}' id="mwG4o" typeof="mw:Transclusion">3 miles (4.8</span><span about="#mwt84" typeof="mw:Entity"> </span><span about="#mwt84">km)</span> long?