Janet Bonnema
... that in 1972, Colorado engineering technician Janet Bonnema legally challenged the superstition that a woman who went underground into a tunnel or mine brought bad luck?
... that in 1972, Colorado engineering technician <b id="mwCEg"><a href="./Janet_Bonnema" id="mwCEk" rel="mw:WikiLink" title="Janet Bonnema">Janet Bonnema</a></b> legally challenged the superstition that a woman who went underground into a tunnel or mine brought bad luck?