ðə bˈʌlk ʌv hɪz fətˈɑːɡɹəfi dˈʊɹɹɪŋ ðɪs tˈaɪm tˈʊk plˈeɪs wˈɛst ʌvðə ɹˈɑːki mˈaʊntɪnz ænd ɪnðə pɐsˈɪfɪk nɔːɹθwˈɛst.
The bulk of his photography during this time took place west of the Rocky Mountains and in the Pacific Northwest.