Hurricane Creek mine disaster
...that the Hurricane Creek mine disaster, which killed 38 men in 1970, occurred exactly a year after passage of the first federal legislation regulating mine safety?
...that the <b id="mwfw"><a href="./Hurricane_Creek_mine_disaster" id="mwgA" rel="mw:WikiLink" title="Hurricane Creek mine disaster">Hurricane Creek mine disaster</a></b>, which killed 38 men in 1970, occurred exactly a year after passage of the first <a class="mw-redirect" href="./Coal_Mine_Safety_and_Health_Act_of_1969" id="mwgQ" rel="mw:WikiLink" title="Coal Mine Safety and Health Act of 1969">federal legislation</a> regulating mine safety?