Twenty-second Annual Report of the Mining Industry of Idaho for the Year 1920 Bell, R.N., 1921
Twenty-third Annual Report of the Mining Industry of Idaho for the Year 1921 Campbell, Stewart, 1922
Twenty-fourth Annual Report of the Mining Industry of Idaho for the Year 1922 Campbell, Stewart, 1923
Twenty-fifth Annual Report of the Mining Industry of Idaho for the Year 1923 Campbell, Stewart, 1924
Twenty-sixth Annual Report of the Mining Industry of Idaho for the Year 1924 Campbell, Stewart, 1925
Twenty-seventh Annual Report of the Mining Industry of Idaho for the Year 1925 Campbell, Stewart, 1926
Twenty-eighth Annual Report of the Mining Industry of Idaho for the Year 1926 Campbell, Stewart, 1927
Twenty-ninth Annual Report of the Mining Industry of Idaho for the Year 1927 Campbell, Stewart, 1928
Thirtieth Annual Report of the Mining Industry of Idaho for the Year 1928 Campbell, Stewart, 1929
Thirty-first Annual Report of the Mining Industry of Idaho for the Year 1929 Campbell, Stewart, 1930