Source: Lisa WarehamExploration WorksMundoAmérica do NorteEstados UnidosLewis and Clark CountyMontanaHelenaExploration Works
Source: Bob WebsterCathedral of St. HelenaMundoAmérica do NorteEstados UnidosLewis and Clark CountyMontanaHelenaCathedral of St. Helena
Source: Lisa WarehamExploration WorksMundoAmérica do NorteEstados UnidosLewis and Clark CountyMontanaHelenaExploration Works
Source: Lisa WarehamExploration WorksMundoAmérica do NorteEstados UnidosLewis and Clark CountyMontanaHelenaExploration Works