▁in ▁Canada . ▁Research ▁is ▁being ▁done ▁to ▁util ize ▁ge oth erm al ▁systems ▁in ▁these ▁abandoned ▁mines ▁as ▁a ▁renew able ▁he ating ▁source , ▁and ▁has ▁shown ▁to ▁be ▁quite ▁cost ▁efficient . ▁ ▁See ▁also ▁▁ ▁RE CLA IM ▁Act ▁ ▁References ▁ ▁External ▁links ▁▁▁ ▁Ab andon ed min es . gov - ▁United ▁States ▁Federal ▁M ining ▁Dialog ue ▁Work group ▁web ▁portal ▁ ▁Ab andon ed ▁Mine ▁Land s - ▁Department ▁of ▁the ▁Inter ior ▁- ▁Bureau ▁of ▁Land ▁Management ▁ ▁Ab andon ed ▁Min eral ▁Land s ▁- ▁Department ▁of ▁the ▁Inter ior ▁- ▁National ▁Park ▁Service ▁ ▁Ab andon ed ▁Mine ▁Land s ▁- ▁Department ▁of ▁Agricult ure ▁- ▁United ▁States ▁Forest ▁Service ▁ ▁St ay ▁Out ▁- ▁St ay ▁A live ▁- ▁Department ▁of ▁Labor ▁- ▁Office ▁of ▁Mine ▁Saf ety ▁and ▁Health ▁Administration ▁▁ ▁National ▁Or phan ed ▁Mine ▁In iti ative ▁- ▁Canada ▁- ▁National ▁multi - st ake holder ▁Work group ▁ ▁Category : M ining ▁in ▁the ▁United ▁States <0x0A> </s> ▁Harry ▁Daniel ▁Pay ne ▁( 1 8 9 1 – 1 9 8 7 ) ▁was ▁an ▁American ▁architect ▁and ▁engineer ; ▁prot ég é ▁of ▁noted ▁St . ▁Louis ▁Arch itect , ▁William ▁I tt ner . ▁Pay ne ▁is ▁most ▁known ▁for ▁building ▁designs ▁in ▁the ▁U . S . ▁State ▁of ▁Texas ▁after ▁ 1 9 2 6 , ▁but ▁before ▁this ▁as ▁a ▁member ▁of ▁the ▁I tt ner ▁F irm , ▁he ▁designed