Ramba uchinyora ndima iyi - Kunyange zvazvo San Francisco yakanga yatsvaka mvura yeRwizi rweTuolumne muma1890, chirongwa ichi hachina kufambira mberi kutozosvikira kudengenyeka kwepasi kunoparadza nomwoto zva1906
, iyo yakasimbisa kusakwana kwemvura iripo. Hetch Hetchy Valley <unk> yakazoenzaniswa neYosemite Valley nokuda kworunako rwayo rwakanaka <unk> yakasarudzwa nokuda kwounhu hwayo hwemvura uye simba remagetsi, asi nzvimbo yacho mukati memunda wenyika yakakonzera kukakavadzana. Mutemo weCongress waidikanwa kuti udzivise kudzivirirwa kwehurumende kwerwizi rweTuolumne, nechikonzero chokuti nyika yeruzhinji inofanira kuvandudzwa nokuda kwebetsero yeruzhinji.