▁some ▁only ▁began ▁coming ▁back ▁twenty ▁years ▁later . ▁Only ▁with ▁new com ers ▁in ▁the ▁ 1 8 th ▁century ▁was ▁there ▁once ▁again ▁strong ▁population ▁growth . ▁H ü ff ler ▁belonged ▁then ▁to ▁the ▁Sch ult he iß erei ▁of ▁P fe ff el bach ▁in ▁the ▁Zwe ibr ücken ▁Ober amt ▁of ▁L ichten berg . ▁ ▁Rec ent ▁times ▁The ▁D uk es ▁of ▁Zwe ibr ücken ▁were ▁ou sted ▁in ▁the ▁time ▁of ▁the ▁French ▁Revolution , ▁about ▁ 1 7 9 4 . ▁France ▁an nex ed ▁the ▁Pal at inate ▁in ▁ 1 7 9 8 ▁and ▁held ▁it ▁until ▁ 1 8 1 4 . ▁H ü ff ler ▁belonged ▁to ▁the ▁M air ie ▁( “ May oral ty ” ) ▁of ▁Qu ir n bach , ▁the ▁C anton ▁of ▁K us el ▁and ▁the ▁Department ▁of ▁Sar re . ▁It ▁was ▁at ▁about ▁this ▁time ▁that ▁coal ▁min ing ▁began ▁in ▁H ü ff ler ▁at ▁two ▁p its : ▁“ Am ▁Berg ” ▁and ▁“ A uf ▁der ▁H ube ”. ▁The ▁se am ▁was ▁about ▁ 3 0   cm ▁thick . ▁The ▁coal ▁itself , ▁however , ▁could ▁not ▁have ▁been ▁of ▁very ▁high ▁quality , ▁for ▁it ▁had ▁a ▁rather ▁high ▁water ▁content . ▁Begin ning ▁in ▁ 1 8 1 6 , ▁H ü ff ler ▁belonged ▁within ▁the ▁Kingdom ▁of ▁Bav aria ▁to ▁the ▁Bür germeister ei ▁( “ May oral ty ” ) ▁of