Show show tim determine NIAGARA FALLS WEARING ac wan Iran dear york sun recent rock cage cage edge canadian horseshoe fall fall tall fall tall rail fall tall rail tail far part niagara river waters still further give fall fall tall fall tall tail instead angular result down rock ten lind horseshoe fall again shape name decade decade decade decide change appearance course ordinary lifetime change position fall fall tall fall tall rail brink niagara falls 1944 james hall hall nail bench bench beach marks within past few AB dr gilbert comparison HAI falls beach beach bench marks show ia middle horseshoe fall brink rate four five feet hand hand band Atner fall water rate survey thee bait fall fall tall fall tall tail cut lana niagara river lake present head head bead head bead heed wide fit fit itt present retrogression american Ilore falls rate different uniform rock bed away away sway thick volume force water reason believe waters superior arid huron michigan outlet ottawa river st lawrence thus reason chronology upon modern retrogression niagara know least drainage thirtieth part area united united unite id aver falls volume water cubic feet second grandeur niagara vanish live die before bp goat island need move works further stream ta 2 hoe |