 Here Brower battles Floyd Dominy, then the commissioner of the United States Bureau of Reclamation.Displaying only some of the reserve and pragmatism of the previous two figures, Dominy relished the damming of rivers, while Brower considered damming the ultimate offense.Brower struggled to save the Glen Canyon from being flooded by the Glen Canyon Dam but failed and as the story progresses, he is increasingly marginalized in the environmental movement for his perceived militancy.