Somerset coalfield
...that while working on the Somerset coalfield William Smith, who became known as the "Father of English Geology", developed the The Principle of Faunal Succession by observing the strata?
...that while working on the <b id="mwB2w"><a class="mw-redirect" href="./Somerset_coalfield" id="mwB20" rel="mw:WikiLink" title="Somerset coalfield">Somerset coalfield</a></b> <a href="./William_Smith_(geologist)" id="mwB24" rel="mw:WikiLink" title="William Smith (geologist)">William Smith</a>, <i id="mwB28">(pictured)</i> who became known as the "Father of English <a href="./Geology" id="mwB3A" rel="mw:WikiLink" title="Geology">Geology</a>", developed the <a class="mw-redirect" href="./Law_of_faunal_succession" id="mwB3E" rel="mw:WikiLink" title="Law of faunal succession">The Principle of Faunal Succession</a> by observing the <a href="./Stratum" id="mwB3I" rel="mw:WikiLink" title="Stratum">strata</a>?